Jinzhou Orient Prospecting Apparatus Co., Ltd. is a professional manufacturer of drilling equipment. Located in Jinzhou City Hebei Province North China, we offer comprehensive range design, development, manufacturing, sales and after-sales services ...

We the Shanxi Weigao Petroleum Drilling Tools Co. ltd is a private high-tech enterprise with sophisticated production equipment, strict inspecting ways. We have mastered Key Technique in nationalizing petroleum drilling tools. got licenses of API ...