Our progress depends around the innovative machines, great talents and consistently strengthened technology forces for Roller Cone Bits, Tungsten Carbide Bit, Milled Tooth Tricone Bits, Drilling Bits Mining,Drill Bits. At our firm with good quality initially as our motto, we manufacture merchandise that are entirely made in Japan, from materials procurement to processing. This enables them for being used with confident peace of mind. The product will supply to all over the world, such as Europe, America, Australia,Singapore, Kuwait,Hongkong, Australia.With more and more Chinese products and solutions around the world, our international business is developing rapidly and economic indicators big increase year by year. We have enough confidence to supply you both better solutions and service, because we've been more and more powerful, specialist and experience in domestic and international.