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   We have passed ISO9001 and TS16949 quality management system certification, and have a complete management system and quality manual.

   We have set up an after-sales service team consisting of sales, technology, quality and production, and organize analysis and problem solving as soon as possible after receiving customer feedback.        

Quality Control Process
We have passed ISO9001 and TS16949 quality management system certification, and have a complete management system and quality
Materials and Heat Treatment
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Spectrometer - Detecting Material Composition
Stretching machine - Testing the mechanical properties of materials
Temperature Impact Test
Rockwell Hardness Tester
Leeb Hardness Tester
Non destructive testing of raw materials
Mechanical Propert Test Report
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Welding-verification Method
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Circumferential Seam (Outlook)
ROBOT Welding Fillet Welds (Outlook)
ROBOT Welding Fillet Welds (Outlook)
PT Penetration Inspection
Ultrasonic Test
Magnetic Particle Testing
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Electroplating-verification Method
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Plating Thickness Test
Roughness Test: Ra,Rz,Rmax,Rmr
Neutral Salt Spray Test, the corrosion resistance of the coating reaches 96 to 200 hours
After 96 hours of neutral salt spray test, the surface of the piston rod remained intact
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Paint-inspection Method
Paint Adhesion Test
Painting Film Thickness Inspection
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