... Passed:ISO9001:2008 Spec:GB DIN ASTM ISO Professional supplier of titanium bolts Best pice and quality Titanium and titanium ... , medicine, aerospace, bicycle and so on. FIRST is a leading manufacturer and supplier of titanium fasteners, nuts, bolts, washers, machine screws, rivets, ... pins made of refractory and special metals, such as PC titanium, 6Al-4V ...