Haojun Wujin Tanhuang LLC

tension spring is often used in door , paper file, pen and so on it can restore energy , then release , w

wire forming products 1, customer designs 2, free length 3, max diameter ;8mm 4, speed ;5000pcs/day 5

compress springs are applied in hardware tools , toy, braker and so on it can revert after cancel the out fo

good quality suspension springs , applied in auto parts, hardware parts, can be post-treatment to keep the phy