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Yin Wencai

86-13833748346 QQ:1140598546 msn:bjomzczb@hotmail.com

86-317-3853901

bjomzczb@126.com

Yang Town, Shunyi District, Beijing, China

Corporate Culture

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Beijing Ouman Petroleum and Geological Drilling Equipments Co., Ltd. (former Northern China Petroleum Quanxing Super-hard Material Drilling Bit Factory) has been growing to the largest professional repair center for drilling bits in China. The product scopes of our company cover followings: tri-cone bits for oil and geological industries, PDC drilling bits, flat bottom mill shoes, concave bottom mill shoes, ball mill shoes, high-efficiency mill shoes, drilling tools such as rings, elevators and B-shape clamps, various kinds of fishing tools, workover tools as well as oil and geological supporting drilling equipments.

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Buy Scrap PDC Drill Bits
Supply Roller Bits
Buy Scrap Tricone Bits
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Beijing Ouman Petroleum and Geological Drilling Equipments Co., Ltd. (former Northern China Petroleum Quanxing Super-hard Material Drilling Bit Factory) has been growing to the largest professional repair center for drilling bits in China. The product scopes of our company cover followings: tri-cone bits for oil and geological industries, PDC drilling bits, flat bottom mill shoes, concave bottom mill shoes, ball mill shoes, high-efficiency mill shoes, drilling tools such as rings, elevators ...