• Hejian Bainas Bit Manufacturing Co., Ltd

  China Bainas Bit Manufacturing Co.,Ltd (BZ), one of the most complete manufacturers about drilling bits and suppliers tools. Supplying Tricone bits, PDC Diamond with API certificate for petroleum, Engineering, mining, water well, Bridge other products. The core products have been sold to ...

  Telephone：86 - 0317 - 5581661Address：Shengli Road Cangzhou Hebei 062450 China

• Hejian Jinlun Petroleum Drilling Equipment Sale...

  We are Hejian Petroleum Drilling Equipment Sales Co., Ltd., located in Cangzhou. Our company is a business entity specializing the development, production, distribution, and after sales service drilling equipment. manufacture, design, research develop PDC drill bits for oilfield, ...

  Telephone：86-317-3852128Address：junziguan, Cangzhou, Hebei, China