| 出生地 |
Jiangsu China (Mainland) |
| 材料 |
铬 |
| 处理类型 |
建立 |
1.Raw material:1010,1015,1020,1215(free cutting steel), other alloy steel. 2. Process technology:cold forging parts, (forged parts),turning,hobbing,grinding. 3. Heat treatment:annealing, quenching. 4.Surface finish:Electroplated,Zinc and Chromate,Passivate-trivalent chromium.