item name: springs material: spring steel, stainless steel and so on certification: ISO9001:2000 wire: dia0.3-30mm.. 1)we are specialized in producing many kind of presion springs in xiamen china.2)our company uses inported fully-automtic NC precision spring facilities.3)the surface treatment can be zinc,trivalent plated,PVC and so on.4)our springs are mainly used in cars, electric equipment, ...
