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What habits can bring more customers to foreign trade

Customer follow-up is a hot topic for many foreign traders. Because in the process of follow-up, the customer carelessly no more information, no longer answering the phone; and the original good e-mail communication, suddenly it will sink into the sea.

It is beneficial for us to form a good habit all our lives, but it is not achieved overnight. It takes time to accumulate it slowly. There may be pain and distress in the process. What we should do is to persist and do foreign trade as well

If a foreign trader wants to do a good job in foreign trade, he must first cultivate these good habits.

Keep an eye on the market
Exchange rate, raw material prices, policy changes and so on are closely related to foreign trade, and even foreign market situation will affect export work. If you don’t know the market, foreign trade work is like crossing the river blind, the effect can be imagined.

So in the spare time of daily work, we should take the initiative to pay attention to the market situation of the industry, think and analyze more from it, and do foreign trade with thinking, you will become more and more excellent.

Inquiries are decisive and trade-offs are made
After receiving the inquiry, the first thing is to distinguish which is the real one and which is the false one, which should have a procedure to distinguish the false one. Otherwise, once the business starts, you will be submerged in the sea of e-mail.

Generally, from the content of the buyer’s inquiry, you can judge which is true and which is false. Emphasis should be placed on dealing with highly targeted e-mails that can be called inquiries.

Mail replies are concise and focused

Mail reply language should be concise, to the point, not verbose. You know, many foreign businessmen have poor patience. Even in their eyes, wasting time is tantamount to making money and killing people.

Learn from the experience of our predecessors
Foreign trade is not a sophisticated job, but it is a work of experience; if you want to do it well and become an excellent foreign trade salesman, you must learn more from the practical experience of our predecessors; success can not be replicated, but experience can be used for reference. Find customer experience, experience in sending development letters, experience in quoting prices, experience in communicating with foreigners, shipment experience, and so on. They can always play a role in guiding you to make correct decisions at a certain time.

Never underestimate the art of dealing with e-mail. Many foreign trade salesmen don’t know how to write a good e-mail. This is where inquiries are easily lost.

Professional and appropriate e-mail expression

In fact, it is very difficult to be appropriate. This article not only contains the “appropriate” factors, but also needs to be professional.

Foreign trade is a long journey, need to slowly specialize, expand, develop a good habit will make you walk more smoothly, not only foreign trade, in daily life will also benefit you for life!

Surface Processing Technology of Aluminum and Aluminum Alloys in Daily Products

Metal materials are used more and more in all kinds of existing products, because metal materials can better reflect product quality and highlight brand value. Among many metal materials, aluminium is used by various manufacturers because of its advantages of easy processing, good visual effect and rich surface treatment methods. The surface treatment of aluminium profiles is mainly divided into sand blasting (forming matte pearl silver surface) and polishing (shape). Mirror forming, wire drawing (forming a satin-like effect), electroplating (covering a layer of other metals), spraying (covering other non-metallic coatings)

Next, we will feel the surface processing technology of aluminium and aluminium alloys in our daily products.

1. Sandblasting (shot peening)

The process of cleaning and roughening metal surface by the impact of high-speed sand flow. The surface treatment of aluminium parts by this method can obtain a certain degree of cleanliness and different roughness, and improve the mechanical properties of the workpiece surface, thus improving the fatigue resistance of the workpiece, increasing the adhesion between the workpiece and the coating, prolonging the durability of the coating, and also conducive to the leveling and decoration of the coating. This process is often seen in Apple’s products, and is increasingly used in existing TV shells or midframes.

2. polishing

By means of mechanical, chemical or electrochemical methods, the surface roughness of the workpiece is reduced to obtain a bright and flat surface processing method. Polishing technology is mainly divided into: mechanical polishing, chemical polishing, electrolytic polishing. Aluminum parts with mechanical polishing and electrolytic polishing can approach the mirror effect of stainless steel, giving people a feeling of high-grade, simple, fashionable future (of course, easy to leave fingerprints but also more care).

3. wire drawing

Metal wire drawing is the process of repeatedly scraping aluminium sheet out of the line with sandpaper. Drawing can be divided into straight wire drawing, screwed wire drawing, screwed wire drawing, screwed wire drawing. Metal wire drawing process can clearly show each fine trace, so that the metal matte gloss in the exudation of fine silk luster, products both fashionable and technological sense.

4. High-light cutting

The diamond knife is strengthened on the spindle of the high-speed rotary fine-engraving machine with a fine-engraving machine to cut parts, and a local bright area is generated on the surface of the product. The brightness of cutting highlight is affected by the speed of the milling bit. The faster the bit speed is, the brighter the cutting highlight is. On the contrary, the darker the cutting highlight is and the easier the cutter grain is. In recent years, high-light milling technology has been used in some metal frames of high-end TV sets. In addition, anodic oxidation and wire drawing technology make TV sets full of fashion sense and sharp sense of science and technology.

5. Anodic oxidation

Anodic oxidation refers to the electrochemical oxidation of metals or alloys. Aluminum and its alloys form an oxide film on aluminium products (anodes) under the action of applied current under the corresponding electrolyte and specific technological conditions. Anodic oxidation can not only solve the defects of surface hardness and wear resistance of aluminium, but also prolong the service life of aluminium and enhance its beauty. It has become an indispensable part of surface treatment of aluminium. It is the most widely used and very successful process at present.

 

6. Bicolor Anodic Oxidation

Dual-color anodization refers to the process of anodizing a product and giving different colors to a specific area. Dual-color anodic oxidation has high cost because of its complex process, but through the contrast between the two colors, it can better reflect the high-end and unique appearance of the product.

Nine-step operation method of ultrasonic vibration screen

Many users will not operate the machine after purchasing the ultrasonic vibrating screen, the use instructions are easy to lose, resulting in the situation that the equipment can not be used. The following Dahan Machinery Technology Department sorted out the nine-step operation method of the ultrasonic vibrating screen for you. If you still can’t operate after reading, you can also click on customer service or dial the telephone to consult online. Dahan Vibration Machinery Company is very happy to serve you.~

 

Operating Method of Ultrasound Vibrating Screen

 

1. Ultrasound system should use the whole set of testing, many customers reflect that the ultrasonic system can not be used normally after overhaul. The reason is that if there is no problem after power box anti-factory testing, but the transducer has not been inspected, resulting in transducer failure, only the power box can be overhauled according to the failure to find any problems.

 

2. The working power supply and voltage of the ultrasonic system are 220V. The output power of the ultrasonic system is connected to the transducer by the data wire drawn from the back panel of the power box. The red is the positive pole. When connecting, special attention should be paid to the voltage pole term, so that no mistake can be made.

 

3. When the screening effect can be achieved, the power shield should be lowered as far as possible, and the maximum current should not exceed 0.4. Unnecessary energy consumption and unnecessary damage of power supply overcurrent should be avoided.

 

4. Don’t turn on the ultrasonic system when the mesh screen is not stretched. Otherwise, the transducer will be damaged because of the over-current of the power supply.

 

5. Screening screen tension can achieve the best screening effect, otherwise it will produce ultrasound output and vibration effect, seriously affecting the screening effect and screening output.

 

6. The aviation plug screw on the transducer must be tightened, and the data wire must be checked regularly for damage. The aviation joint and data wire must be wrapped with insulating tape to prevent dust. If the air plug is not tightened, the vibration wave energy of the ultrasonic vibration screen can not be transmitted. It loses its vibration effect.

 

7. If the material has conductivity, please keep the power box away from the material site, so as to prevent the material from entering the power box and causing short circuit.

 

8. If you find that the noise in the power supply is too big or the fan can’t move, please stop working immediately and check the heat dissipation fan. Please pay attention to ventilation when using power box.

 

9. Each set of ultrasound includes a resonant power supply, an oscillator and a grid. Number matching is better for the three, and do not mix with other ultrasonic dishes.

Design Principles of Hardware Stamping Parts

(1) The stamping parts designed must meet the requirements of product usage and technical performance, and can be easily assembled and repaired.

 

(2) The stamping parts designed must be conducive to improving the utilization rate of metal materials, reducing the variety and specifications of materials, and reducing the consumption of materials as much as possible. In the case of permissible use of low-cost materials, as far as possible to make parts without waste and less waste blanking.

(3) The stamping parts designed must be simple in shape and reasonable in structure, so as to simplify the die structure and the number of working procedures, that is, to complete the whole part processing with the least and simplest stamping process, reduce the re-processing by other methods, and be conducive to stamping operation, facilitate the organization of mechanized and automated production, and improve labor productivity.

_The stamping parts designed in this paper, in order to ensure the normal use of the stamping parts, try to make the size accuracy and surface roughness level requirements lower, and is conducive to product interchange, reduce waste products and ensure product quality stability.

(5) The stamping parts designed should be conducive to the use of existing equipment, process equipment and process flow as far as possible, and to the extension of the service life of the die.

Detection of Hardware Stamping Parts

Rockwell hardness tester is used for hardness testing of metal stamping parts. Small stamping parts with complex shapes can be used to test the plane is very small and can not be tested on ordinary desktop Rockwell hardness tester.


Stamping process includes blanking, bending, drawing, forming, finishing and other processes. Stamping materials are mainly hot-rolled or cold-rolled (mainly cold-rolled) metal strip materials, such as carbon steel plate, alloy steel plate, spring steel plate, galvanized plate, tin plate, stainless steel plate, copper and copper alloy plate, aluminum and aluminum alloy plate, etc.


PHP series portable surface Rockwell hardness tester is very suitable for testing the hardness of these stamping parts. Alloy stamping parts are the most commonly used parts in the field of metal processing and mechanical manufacturing. Stamping parts processing is a method of separating or forming metal strips by means of dies. It has a wide range of applications.


The main purpose of hardness testing of stamping materials is to determine whether the annealing degree of the purchased metal sheet is suitable for the subsequent stamping process. Different kinds of stamping process require different hardness levels of sheet metal. Aluminum alloy sheet used for stamping can be tested by Wechsler hardness tester. When the thickness of material is more than 13mm, it can be changed to Barkholder hardness tester. Pure aluminium or low hardness aluminium alloy sheet should be used Barkholder hardness tester.


In the stamping industry, stamping is sometimes called sheet metal forming, but it is slightly different. The so-called sheet metal forming refers to the forming method of using sheet metal, thin-walled tube, thin section as raw materials for plastic processing, which is collectively called sheet metal forming. At this time, the deformation in the direction of thick plate is generally not taken into account.

Manufacturing Technology of Seamless Elbow

Seamless elbows do not cause corrosion, pitting, rust or wear. Stainless steel is also one of the most intensive building metal materials. Because stainless steel has good corrosion resistance, it can make structural parts permanent to maintain the integrity of Engineering design. The raw material for rolling seamless elbow pipe fittings is round billet. The tube embryo is cut and processed by a cutting machine to grow up to about one meter, and is heated by conveyor belt in the furnace. The billet is heated in the furnace and the temperature is about 1200 degrees Celsius. Temperature control in the furnace is a key issue. After the tube billet is discharged from the furnace, it is perforated by a pressure punch. The fuel is hydrogen or acetylene.

The common piercing machine is conical roll piercing machine. This piercing machine has high production efficiency, good product quality, large piercing diameter enlargement, and can pierce many kinds of pipe fittings. After piercing, the round tube billet is rolled by three rolls, continuous rolling or extrusion. After extrusion, the tube must be stripped and calibrated. The calibrating machine rotates into the steel embryo at high speed through the conical drill to form pipe fittings.

CNC Machining of Sheet Metal Material

With the development of society, sheet metal industry also develops rapidly. Now sheet metal involves all walks of life. For any sheet metal part, it has a certain processing process, that is, the so-called process flow. To understand the process flow of sheet metal processing, the first thing is to know the selection of sheet metal materials.

Selection of materials.

Sheet metal processing commonly used materials are cold-rolled sheet, hot-rolled sheet, galvanized sheet, brass, copper, beryllium copper, aluminum sheet, aluminum profile, stainless steel and so on. According to the different roles of products, different materials are selected. Generally, products and their uses and costs need to be considered.

1. Cold-rolled sheet: Mainly used for electroplating and paint-baking, low cost, easy to form, material thickness < 3.2mm.

2. Hot-rolled plate: material T (> 3.0mm), is also electroplated, paint parts, low cost, but difficult to form, mainly flat parts.

3. Galvanized sheet SECC, SGCC. SECC electrolytic board is divided into N material, P material and N material, which are mainly not treated by surface treatment and have high cost. P material is used for spraying parts.

4. Copper: Mainly used as conductive material. Its surface treatment is nickel plating, chromium plating, or no treatment, with high cost.

5. Aluminum plate: generally used surface chromate (J11-A), oxidation (conductive oxidation, chemical oxidation), high cost, silver plating, nickel plating.

6. Aluminum Profile: Material with complex cross-section structure, which is widely used in various kinds of boxes, and its surface treatment is the same as that of aluminium plate.

7. Stainless steel: Mainly used for no surface treatment, high cost.

2. In order to compile the technological process of the parts, the first step is to know the various technical requirements of the parts drawings, which is the most important link in the process of the parts.

1. Check whether the drawings are complete.

2. Graphic view relationship, whether the labeling is clear and complete, labeling size units;

3. Assembly relationship, key dimensions of assembly requirements;

4. The difference between old and new layout;

5. Translation of foreign pictures;

6. Code conversion at the table;

7. Feedback and burying of graphic problems;

8. Materials;

9. Quality requirements and process requirements;

10. The quality control stamp shall be affixed to the official drawing.

3. Attentions to unfolding, unfolding drawing is based on part drawing (3D) unfolding plane drawing (2D)

1. The deployment method should be in line with the requirements of material saving and processability.

2. Reasonable selection of question gap and edge-wrapping method, T=2.0 below question gap 0.2, T=2-3 question gap 0.5, edge-wrapping method using long edge wrapping short edge;

3. Rational consideration of tolerance shape size: negative difference goes to the end, positive difference goes half; hole size: positive difference goes to the end, negative difference goes half;

4. Burr direction;

5. Draw sectional views in the direction of teeth extraction, riveting, tearing, punching and convex points (bags).

6. Check material, thickness and tolerance.

7. For a special angle, the radius of the bending angle (R = 0.5) should be expanded according to the bending test.

8. Emphasis should be given to the places where mistakes are prone (similar asymmetry);

9. Enlarged maps should be added in places with larger sizes.

10. The place to be protected by spraying should be indicated.

4. The technological process of sheet metal processing may vary according to the structural differences of sheet metal parts, but generally does not exceed the following points:

1. Cutting: There are various ways of cutting, mainly the following ways

(1) Shearing machine: It is used to cut simple strip parts. It mainly prepares for blanking forming of die. It has low cost and accuracy less than 0.2, but it can only process strip or block without hole and cut angle.

(2) Punch: It is to use the punch to punch the sheet metal parts into various shapes in one or more steps. Its advantages are short time consuming, high efficiency, high precision, low cost, suitable for mass production, but the die should be designed.

NC NC blanking: NC blanking should first write NC processing program, using programming software, the drawing of the expansion diagram is compiled into NC numerical broaching machine tool recognizable program, so that according to these programs one by one, blanking flat parts of various structural shapes on the plate, but its structure is affected by the structure of the tool, low cost, accuracy is less than 0.15.

Laser cutting: Using laser cutting method, the structural shape of the plate is cut out on the large plate. Like NC cutting, it needs to write a laser program. It can cut various complex shaped plate parts with high cost and accuracy of 0.1.

Sawing Machine: Mainly used for aluminum profiles, square pipes, drawing pipes, round bars and so on, low cost, low precision.

2. Flanging: also known as punching and flanging, is to draw a slightly larger hole on a smaller base hole and tap it again. It is mainly used for sheet metal processing with thinner plate thickness to increase its strength and number of thread loops and avoid slippery teeth. It is generally used for shallow flanging with thinner plate thickness and normal hole periphery. The thickness of flanging is basically unchanged. When the thickness of flanging is allowed to become thinner by 30-40%, it can be higher than that of normal flanging. The maximum flanging height can be obtained by extruding 50% at a height of 40-60% higher. When the plate thickness is larger, such as 2.0, 2.5 or more, the plate thickness can be tapped directly.

3. Punching machine: It is the process of forming with die. Generally, punching machine processes punching, corner cutting, blanking, punching convex package, punching tearing, punching, forming and other processing methods. Its processing needs corresponding die to complete the operation, such as punching blanking die, punching blanking die, tearing die, punching die, forming die, etc. The operation mainly pays attention to location and direction.

4. Riveting: For our company, riveting mainly includes riveting nuts, screws, looseness, etc. It is through hydraulic riveting machine or punch to complete the operation, riveting it to sheet metal parts, and riveting method, need to be noted.

How to choose the electric drum

Electric drum is divided into oil-immersed electric drum and external electric drum.

Oil-immersed electric drum: Compared with the external drum, it has the advantages of compact structure, small occupied space, convenient use and maintenance, safe and reliable operation, good sealing performance, and can be applied to workplaces with high dust concentration and wet muddy, etc. It can meet various requirements of glue coating and backstop. The motor is in the cylinder, which needs to be filled with oil before using. The amount of oil injected is 1/3 of the diameter of the cylinder.

The outer-mounted electric drum motor is outside the drum. It has good heat dissipation, easy disassembly and assembly, and easy maintenance. Oil injection is required before use, and the amount of oil injection is 1/3 of the diameter of the drum.

Which kind of marketing channel is better for hardware products

Hardware products can be divided into hardware accessories and daily necessities from the use. Different products have their own marketing channels. In recent years, with the entry and maturity of e-commerce channels, some hardware manufacturers are at a loss for the overall marketing channels. So, how many channels are there, such as professional markets, big stores, self-run stores, franchise stores, e-commerce direct sales, and what kind of effect is better to enter?

Hardware cabinet

Professional Market: Suitable for Middle-end Brand Cluster Management

Professional market has several notable characteristics: first, the industry attribute of the market is strong; second, there are many clustered businesses and brands, each with different areas of independent shops; third, the management category is perfect, can satisfy the one-stop purchasing of buyers; fourth, the market is convenient, customers can drive freely in and out, and carry goods in batches. For example, the hardware market in Shenzhen South China City, the hardware Electromechanical market in Xi’an and Zhengzhou South China City, etc., provide a huge space for purchasers to compare and choose from different aspects of brand, category, price and merchants. Therefore, since the date of operation, it has attracted both supply and demand sides to enter the market. Generally, high-end brands have their own fixed customer groups and channels. It is difficult for middle and low-end brands to compete with them. On the contrary, the emerging professional market is completely open, providing a fair marketing platform for all mature brands and growing brands.

Therefore, the cohesion of large-scale professional market for both supply and demand sides is obvious, its characteristic is the word “professional”, which attracts professional businessmen; on the contrary, some small markets will inevitably be phased out because of traffic problems, old city renovation problems, fewer suppliers and other issues. As the majority of small and medium-sized hardware production enterprises, whether operating accessories or finished products, they should first enter the professional market to build channels, in order to make marketing radiation further.

High-quality hardware pendant

Big Market: Suitable for High-end Consumer Brands to Enter

The so-called supermarket simply means that tens of thousands of goods are sold together. Because of its high-end, big stores are different from daily grocery stores, convenience stores, wholesale markets and other channels. In the form of retail sales, it attracts the neighboring residents to purchase and consume.

Industry insiders believe that: consumer hardware chooses to set up special counters in brand stores. On the one hand, it wants to build its brand influence with the strong appeal of the stores; on the other hand, it also takes into account the environment, marketing and service system of the stores, which are easy for businesses to operate.

But as the rent of the stores is getting higher and higher, the stores keep opening, and the cost of raw materials and logistics is also increasing. The rising tide brings high cost to the channel of hardware industry. And the same products, and many large brands to compete, their final sales, whether they can meet the expectations of entry? Moreover, once established a relationship with the store, the enterprise will inevitably have dependence, business will be very passive, which requires hardware manufacturers to seriously consider and balance.

Hardware for some doors and windows

Hardware Intelligent Fingerprint Lock

Self-operated Shop: Products with Unique Characteristics and Advantages are Suitable for Self-operated

In order to establish a controllable marketing channel, in recent years, more and more hardware enterprises have focused on the opening and management of their own stores. The advantages of self-owned stores are obvious. On the one hand, they can establish brand image, organize free promotional activities and increase marketing efforts; on the other hand, they can restrain bad behavior of stores through a unified price system. Through the quality assurance of the unified system, the unified standard of after-sales service, and the common attention and supervision of the public, ultimately promote the improvement of customer service level and increase sales.

However, the cost of investment in economy and manpower is very high, which has become an important factor to test the development of enterprises. With the rise of social prices, store rent, employee treatment and training costs are rising. In the fierce competition environment, the opportunities and costs brought by self-owned stores are like a double-edged sword. The pros and cons of self-owned stores depend ultimately on the business operation and market segmentation.

But one thing is certain, that is, the more unique advantages of products, the more suitable for opening self-owned shops.

Machining of Cylinder Barrel of Hydraulic Cylinder

Cylinder barrel is the main component of hydraulic cylinder, mine monomer prop, hydraulic support, gun barrel and other products. Its processing quality directly affects the life and reliability of the whole product. Cylinder barrel processing requirements are high, its internal surface roughness requirements are Ra0.4-0.8 & um, and strict requirements for coaxiality and wear resistance. The basic feature of cylinder barrel is deep hole processing, which has been puzzling the processors.

Because of the residual compressive stress in the surface layer, the rolling process is helpful to the closure of micro cracks on the surface and hinders the propagation of erosion. Thus, the corrosion resistance of the surface can be improved, and the generation or expansion of fatigue cracks can be delayed, so the fatigue strength of cylinder can be improved. By rolling forming, a cold working hardening layer is formed on the rolling surface, which reduces the elastic and plastic deformation of the contact surface of the grinding pair, thus improving the wear resistance of the inner wall of the cylinder and avoiding the burns caused by grinding. After rolling, the surface roughness decreases, which can improve the matching properties.

Cylinder is the most important component of construction machinery. The traditional processing method is: broaching cylinder block – precision boring cylinder block – grinding cylinder block. The rolling method is: broaching cylinder block – precision boring cylinder block – rolling cylinder block, the process is three parts, but the time comparison: grinding cylinder block 1 m in 1-2 days, rolling cylinder block 1 m in 10-30 minutes. Contrast input: grinding machine or quilting machine (tens of thousands – millions), rolling knife (tens of thousands – tens of thousands). After rolling, the surface roughness of the hole decreases from Ra3.2-6.3um before rolling to Ra0.4-0.8-um, the surface hardness of the hole increases by about 30%, and the fatigue strength of the inner surface of the cylinder increases by 25%. If only considering the influence of cylinder, the service life of cylinder can be increased by 2-3 times, and the efficiency of boring and rolling process can be increased by about 3 times than that of grinding process. The above data show that the rolling process is efficient and can greatly improve the surface quality of cylinder.

After rolling, there is no sharp edge on the surface of the cylinder, and the sealing ring or seals will not be damaged by long time moving friction, which is particularly important in the hydraulic industry.