use: mainly used in automobile spring delivery state: cold rolled, oil quenched and tempered state
delivery state: cold rolling ,oil-tempered
executive standard: according to the production of both sides
material:65Mn, 72B,62A,60Si2Mn
Contact:
Tel:0371-67985052、67992125
Fax:0371-67993565
Zip code: 450001
EMAIL: ZTCS02@163.COM ZTCS03@163.COM ZTCSNET@163.COM
Address:No.70 Kexue Road, Hi-tech Zone, Zhengzhou