HeJian Solidkey Petroleum Machinery Co., Ltd. specialize in research and development of drilling equipments, we are manufacturing marketing with senior technical staffs for many years. The structure our company is flexible so that the process ...

Company in line with to the "customer first" principle, by goodfaith, professional, innovative and pragmatic business philosophy,combined trenchless shaft industry at home abroad,with first-class technology, advanced manufacturing ...

Tianjin TRS Import & Export Trading Co., Ltd is located in Tianjin which one of the largest port china, and enjoy good location convenient transportation. We are a professional supplier TCI Tricone Bit , Steel Tooth PDC Bits, Single cone bit, Hole ...

Hejian Ruide Drilling Materials Co., Ltd. is mainly engaged in the production and sale of all sorts drilling materials equipments, such as Tricone rock bit,single cone bit,PDC drill core bit,drill rig machine,drill pipe rod, steel pipe,etc. With more than 30 ...

Hejin Jinlun Petroleum Drilling Equipment Sales Co.,Ltd.specialized in manufacturing bit,such as tricone bits,pdc bits and single cone bits with many years\' experience.The bits are strong and in high quality.

Jiangxi Feilong Rock Bit Manufacture Co.,Ltd, a subsidiary of Shanghai Shenkai Petroleum & Chemical Equipment Corporation Ltd, converted from the ordnance factoryYichun First Machinery Works, found in 1965, is one leading worldwide providers drilling ...

Hejian Huanyu Petroleum Machinery Co., Ltd. Was established in 1998,located which is the middle of Cangzhou city,and enjoys good location and convenient transportation.Huanyu specializes Tricone Bits,TCI Rock Bit,Steel Tooth Bit,Milled Bit,PDC ...

Hejian Wanxiang Drilling Equipments Co., Ltd. is a professional manufacturer & distributor of drilling tools and equipments in China. We have many years experience the research production petroleum equipments. With flexible company structure advanced ...

Our company which was set up in 1992, is located the Industry Park of Hejian County, Hebei Province, a famous Drill Bit home China. Our covers an area 300 square meters, with spacious workshops and offices. main products include high quality PCD, Synthetic ...