Carbon steel black oxide car spare part torsion spring
Carbon steel(SWC), cold roller steel, stainless steel(SUS), beryllium copper, phosphor copper, brass, music wire or piano wire(SWP), 60Si2Mn, 55CrSi etc.
Product Analysis,Design,Test,Validation ect
Usage of spring
Electronic products, Children toys, Locks, Watches, Glasses, Baby carriage, Bicycle, Kitchen appliances, cameras, printers, office equipment, precision equipment and various kinds of vehicles
Material purchased-production-heat treatment-surface treatment-quality detection-package-shipping
Tempering, Stress Relieving, Spheroidizing
ISO9001-2008, SGS Certificate,ROHS Report
Projector , digital hardness tester,digital torsionstrength tester.digital tension and compression strength tester . elasticity tester. life tester , salt spray test machine etc.
1.PPAP,SPC,FMEA,MSA quality management. 2.Tolerance control : DIN, JIS Standard. 3.Manufacturing processes inspection per hour and per batch. 4.Traceable management thoughout all process from raw material to customers.
We are good at producing high difficult, extremely accurate , reliable products,and providing innovative solution, Solid service for you!
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