constant force spring
1.product: constant force spring
2.material:60Si2CrA,60Si2CrVA,60Si2MnA3.hot coil spring
6.The springs are used in digging machine ,train machine ,ect.
7.meets GB standard.
8.the wire diameter around 19mm~80mm
9.the free height around 215mm~1088mm
10.The materials and specification can be decided by the customers.
11.Usually ,our products are packed by carton and wooden fumigated box,but if needed ,it can be insteaded by others.
12.We welcome customers to visit our factory.