YOUWEI AUTOMOTIVE PARTS (JIAXING) CO., LTD. 

Wenzhou for fasteners Co., Ltd. is the design, production and sales of high-end fasteners, standard nuts and special-shaped cold forging pieces of professional manufacturing plants. The site is located in Wenzhou Binhai Park, a coastal 1350, more than 700 employees, production capacity of 50,000 tons / year, the plant covers an area of 66,000 square meters.

To ensure that customers high-quality needs, the company is equipped with cold forging, CNC, stamping, red, machining, raw materials drawing, heat treatment, electroplating through-train service, one after another the introduction of Japan, Switzerland, the United States, Taiwan testing and production equipment a total of more than 500 set.

For better and timely service to customers in the country with more than 10 offices and warehouses: Qingdao, Huangdao, Dalian, Chongqing, Zhengzhou, Wuhan, Shunde, Wuxi, Hefei, Guizhou and so on.

The company through the ISO / TS16949, ISO9001 international certification. Have an independent import and export rights.

Production specifications: M1-M36.

Use materials: ML08AL, ML10, SWRCH10A, SWRCH15A, SWRCH18A, SWRCH22A, SWRCH22A, 10B21, 10B33, SWRCH35K, SWRCH45K, ML20Cr, ML40Cr, SCM420, SCM435, SCM440, ML20MnTiB and so on.

Production standards: international GB, standard Q, German standard DIN, American Standard ASTM, Japanese standard JIS, British standard BS, international ISO standards and non-standard fasteners.

Product level: 4, 6, 8, 10, 12.

Surface treatment: trivalent blue and white zinc, trivalent zinc, trivalent black zinc, trivalent green zinc, trivalent gold yellow zinc, zinc nickel alloy (natural, black, blue), military green, Dacrom, Copper, chrome plated, tinned copper, chrome plated, tinned, silver plated, pewter, galvanized, hot galvanized and so on.

Product use: cars, motorcycles, home appliances, robots, construction machinery, construction, machinery and equipment, tower industry.

Process: Material Roughing - Material Spheroidization - Material Pickling Phosphating - Material Finishing - Cold Heading - Machining - Tapping - Heat Treatment - Electroplating - Selection - Packaging - Storage - Shipping.

Quality control: 1 raw materials into the factory inspection: acid corrosion, cold forging, spectral analysis.

2 material spheroidization: metallographic analysis organization, grade, hardness.

3 material refined: diameter size, phosphate film thickness, hardness, metallographic analysis, appearance.

4 cold heading: the appearance of the size, the appearance of aesthetics, whether there are cracks, metallographic analysis, the projector.

5 Machining: appearance size, appearance aesthetics, metallographic analysis, projector.

6 tapping: through the rules, the hole size, tooth pattern clarity, whether there are rotten teeth.

7 heat treatment: heat treatment according to different materials to adjust the temperature, through the rules, hardness, metallographic analysis, load.

8 galvanized: coating thickness, through the rules, appearance, salt spray test.

9 Packaging: full size inspection, pass gauge, appearance, coating thickness, appearance, salt spray test, load, material analysis, artificial selection or image screening.

10 Delivery: unpacking inspection, appearance is discoloration, salt spray test, the number.

Testing equipment: spectrum analyzer, tensile testing machine, coating thickness gauge, Rockwell hardness, Vickers hardness tester, microscope, projector, salt spray test machine (all equipment manufacturers: Germany, Sweden, Japan, the United States) The