Shengli Economic Development Zone, Dongying, Shandong, China,
With anarea of 48,000 square meters and machining shops 22,000-plussquare meters, the company integrates research, development,production, marketing wellhead assembly, medium- andhigh-pressure valves,X-mas, well control throttle pipe ...
all kinds of oilfield equipments &parts, casing, tubing, valves, flanges, clamps, etc