Henan Jianhui Construction Machinery Co., Ltd.
Gear Steel,Flat Rolled Product,Mould Steel,Stainless Steel,Pipe & Tube,Long Product,H13 D2 D6 SKD11 Cr12 Cr12W,AISI4140 AISI4151 AISI4142 ASTM5140,Processed surface has Peeled /Milled /Smooth,turned /Grinding Surface