2.Materials are high carbon steel,stainless steel
3.Long life
4.High quality
5
> with wire diameter from 0.15 up to 25mm;
2> Raw Mterials of this extension springs :made of carbon steel, piano steel, SUS, alloy steel, iron, plated steel .stainlessteel 302, hign carbon steel, music wire, etc;
3)Surface Treatment of this extension springs: powder coating,nickel plating, chrome plating, zinc plating,etc;
4)This Extension Springs are produced by CNC spring''smachines;
5)high-level quality and customer designed shapes;
6> packing with inner plastic bags and outer cartons.
7,Extension Spring
8hook extension spring
9,stainless steel/Various model
10,All the production are strictly made according to ISO9001-2000system
Update Date:2011-6-22 04:47:36
Above precision extension spring