8#,yushan road,gaoxin district ,suzhou city, Suqian, Jiangsu
现在联系
详情
suspension spring
1,good quality
the material is carbon steel ,and the diameter is over 4mm ,it is
very solid ,
2,automatic processing
we control the producing by computer ,the keeps the products
precise
3,free length
we have many styles for reference at the ends ,and the length is
free
4,post treatment
milling ,tempering and so on
