Hejian Sharpest Manufacturing Bit Co., Ltd is a state owned public company with the majority shares held by SINOPEC. The company was initially set up in 1973, and now has become a leading oil and gas drill bit manufacture in China.

Market oriented, the company pushes forward the technical innovation and product improvement and has formed the world advanced technical system with its own intellectual properties. Our factory has had technical cooperation with over 30 universities and research institutes both at how and abroad, and the researches done by the company regarding rock bit cutting element material, rock bit bearing structure and material, as well as rocker bit hydraulic technologies are at the leading position in China, Performance of the new production drill bit and non-standard series bit, ect. Develop by Sharpest Factory are at the leading level in the world, which represent the development the development trend of new type of drilling bits.

Roller cone bit and diamond bit production lines of Sharpest are equipped with move than 300 sets of internationally advanced machineries, such as five-axis machining centers, FMS production line, ect. Roller cone bits from 3 3/4 to 26 inch, both steel body and matrix body PDC bits in the size range of 3 7/8 to 17 1/2 inch can be supplied to customers both at home and abroad., Sharpest Manfacturing Bit Co, . Ltd also possesses many advanced and sophisticated inspection and test facilities including plasma spectrometer, TCI image processor, new type of rock drilling tester, 600kN drilling simulate, etc. And so, quality stability of the company's products is greatly improved.