|Port:||Shanghai, Ningbo, Nanjing, Yangzhou|
|Supply Ability:||10000000 Piece/Pieces per Month Small Diameter Coil Compression Spring from Factory|
|Place of Origin:||China|
|Product name:||Small Diameter Coil Compression Spring from Factory|
|Surface treatment:||Anti-rust Treatment|
|Packing:||PE Bag+carton Box|
|Packaging Detail:||Inner packing: PE bag, Outer packing: Carton or box due to customer's requirement|
Small Diameter Coil Compression Spring from Factory
|Product Name||Small Diameter Coil Compression Spring from Factory|
|Material||Stainless steel;Carbon steel;Copper;According to customer demand|
Hardening;Polish;Anodized;Sandblasting;Powder coating;Vacuum Plating;Nickel;
Zinc;Chrome;Tin;Silver plating etc.
|Main Products||Compression Spring;Extension Spring;Torsion Spring;Wire forming spring and so on|
Projector;Digital hardness tester;Digital torsionstrength tester;Digital tension and
compression strength tester;Elasticity tester;Life tester;Salt spray test machine etc.
|Quality Control||1.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.
For more products, please click here:
Yangzhou Donva Hardware Spring Co.,Ltd, founded in 2004, located in Jiangyang Industrial Park Yangzhou City, Jiangsu Province, is one of the largest spring and aluminum parts manufacture in Southeast China.
Owing to experienced technicians, precision machinery and strict quality control system, Donva enables itself to handle various OEM/ODM orders based on ISO/TS 16949 standards. Donva is also ISO9001, SGS and RoHS certificated.