MILALION TOOLS Co., Ltd. established in 2009 which is a high-tech enterprise engaged in R&D, production and sale, core products are tri-cone rock bit with 6 1/4~12 1/4 inches, roller cutters,construction bit, water well tri-cone bit, hammer and DTH with different type for global customers in mineral exploration, underground & surface mining of all kinds of rock conditions. The quality and ability have been improved rapidly according to innovating production technology constantly. Meanwhile, NC technology has realized parametric design of roller bit and roller. And the company also works with some universities and experts to research the structure, sealing and technology of tri-cone rock bit. Compared with the traditional products, our rock bits with new technology are of excellent material, reasonable design and advanced technology, which enhances the roller bits’ bearing capacity and working life. Can used in different rock formation, tunnel, pipe rock. MILALION TOOLS Co., Ltd devoted to science and technology research and development, the technology content of the product is very high. Our company is a manufacturer with intellectual property rights independently. And the company has mastered the core technology and owned 17 patents, including 5 patents for invention and 12 patents for utility model. We have passed the ISO9001 quality system certification in 2011 . ? With an enterprise spirit of passion, innovation and integrity, the company sincerely hopes to cooperate with both of domestic and foreign customers for the future while its development.