China Wholesale Cheap Carbon Steel Torsion Spring For Garage Door

Product Description

Product Description
China Wholesale Cheap Carbon Steel Torsion Spring For Garage DoorProduct DescriptionWe can accept the custom all kinds of garage door torsion spring, pls provide us the drawing ,quantity so that we will quote for you A.material B. thickness(or sheet sizes) C. free length and width D. drawings with details E. quantity neededProduct Name China Wholesale Cheap Carbon Steel Torsion Spring For Garage DoorMaterialStainless steel;Carbon steel;Copper;According to customer demandSurface FinishHardening;Polish;Anodized;Sandblasting;Powder coating;Vacuum Plating;Nickel;Zinc;Chrome;Tin;Silver plating etc.Main ProductsCompression Spring;Extension Spring;Torsion Spring;Wire forming spring and so onTest EquipmentsProjector;Digital hardness tester;Digital torsionstrength tester;Digital tension and compression strength tester;Elasticity tester;Life tester;Salt spray test machine etc.Quality Control1.IMDS,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. Products show new design We are professional in the One-Stop Solution for OEM &ODM of metal stamping parts. It has realized the complete process of production line. we could independently complete the whole processing line including the die design and manufacturing, material sorting, stamping forming, welding& assembly and surface treatment. Welcome your enquiry.