We, Zhongrui Material Technology Corp., Taiwan. is a distributor and maker for Cold work tool steel, hot work tool steel, high speed steel bars, and plates. we also sales the Ti/Ti alloys bars, rings, forging parts. and Ti screws and nuts. Especially we have the self drill Ti screw. These products will very help you for use at the chemical industry, off-shore products, petrochemical industry and related fields. And the special point is that we manufacture by automatically production and thread the screw by thread die not by machining. So have the best and same quality with the strongest and avoid stress concentrate that happen in the machined screws. ... 
Taiwan