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Hejian Deris Petroleum Drilling Equipment Co., Ltd
Cangzhou, Hebei, China (Mainland)
86-317-5586567
Business Type:
Manufacturer, Trading Company, Distributor/Wholesaler
Featured Products
7 5/8" api pin iadc 517 tungsten carbide tooth roller rock 17 1/2'' tricone-rock-bits
7 5/8" api pin yellow iadc 617 tungsten carbide tooth roller 17 1/2'' tricone bit drilling
6 5/8" api pin 10 5/8" sealed bearing iadc 447 tungsten carbide tooth three roller bit
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