Street Address: bailipu in the east of yutian county
City: tangshan
Province: Hebei
Country/Region: China
Auto
coil sping 1.Certification:ISO9001:2000/TS16949 2.heat treating 3.quenching tempering
coil sping :
1.We pass the Iss the ISO9001 QUALITY CONTROL SYSTEM CERTIFICAT
2.Our spring have enough intensity,flexibility and durability.
3.Its period of validity is one year.
4.The material is 60Si2MnA
5.Fatigue test
6.HRC:46-52DEGREE
7.Wire diameter:8-50mm
8.Usage:automotive\auto\car
9.style:coil