Gold Index: 23095
Ningbo Jingda Hardware Manufacture Co., Ltd. [China (Mainland)]
Business Type:Manufacturer City: Ningbo Province/State: Zhejiang Country/Region: China (Mainland)
precision component
The material is AISI 1045,plated with nickel or zinc and phosphor,assembled in the system of perforation gun when petroleum mining.
2010-05-19
steel machining