A leading drill bit manufacturer based in China and serve the global oil and gas players with premium quality and high performance drill bit, downhole tools and engineering support.

Since 2001, HLF has been dedicated to the design, production, marketing and technical service of PDC bits used for oil and gas drilling and exploration. HLF provides its customers with high quality products and efficient service. HLF is able to design and manufacture various of customized bits for clients and users based on the lithology and formations. HLF products are: PDC Bit, Natural Diamond Bit, Impregnated Bit, Bi-center Bit, Coring Bit, Hole Opener, Mill Shoe, PDC Bearing, RWD, etc.