Company Description
MSJ Petroleum Equipment Co., Ltd oilfield downhole tools factory specializing on manufacture of almost all downhole tools, drill stem tools, jar tools, fishing tools, Coring tools,cement tools, mill tools, shock tools, includedrill collar, heavy weight drill pipe, kelly, casing, tubing , downhole motor tester, hydraulic jar tester, hydraulic bucking unit, hole openers, Drilling reamer, Valves,*****