drilling rig part

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[CN] Hejian Deris Petroleum Drilling Equipment Co.,Ltd. [Manufacturer]
Key Products/Services:
Business Overview: Hejian Deris Drilling Equipment Co.,Ltd. We are specialized in exporting drill bits(PDC drill bits, TCI tricone drill bits, steel tooth tricone drill bits...

[CN] BaoJi MengTai Petroleum Machinery Co.,Ltd [Manufacturer]
Key Products/Services:
Business Overview: BAOJI MENGTAI PETROLEUM MACHINERY CO.,LTD(Short for MTPM) locates in BAOJI,which is the second largest city of Shaanxi province.Here is the largest producti...