as a major fastener products supplier of Chinese military force, Our products have titanium fasteners include titanium alloys bolts, nuts, screw & washers for bicycle, motorcycle & Formula 1 racing industry; titanium alloy valves, Aping Retainer, Wrist pins for automotive engine with the capability of manufacturing of all kinds of DIN, BS, IFI JIS and Metric standards. We could produce M2 M5 M6 M8 M16 M24 and others.