Domestic sales Department:
International Business Department:
Shandong Mingzhu Petroleum Equipment Co., Ltd.
Add：East of Shengxing Road, Kenli County Economic Development
Zone,Dongying City,Shandong Province
East of Shengxing Road, Kenli County Economic Development Zone,Dongying City
Casing: Insert into the bored well from the ground surface as the pipe of wall lining, and connect pipes with couplings. Its main materials are steel grades of J55, N80, P110, as well as C90, T95 etc resistant to hydrogen sulfide corrosion.