Qingdao National Premium Oilwell Machinery Co., Ltd
Industrial machinery
Qingdao, Shandong
Manufacturer of mud pump parts for oil drilling: chrome and zirconia liners, pistons.
3 result(s)
Industrial machinery
Qingdao, Shandong
Manufacturer of mud pump parts for oil drilling: chrome and zirconia liners, pistons.
Valves, pumps and hydraulics
Xi'an, Shaanxi
Sucker rod pumps, downhole pumps, rod insert pumps and oilfield parts. Zhongshi brand.
Industrial machinery
Dongying, Shandong
Oil drilling equipment: rig accessories, hook blocks, wire rope, rotary systems, air winches, BOP test units.