... :ISO14001 ISO9001 SGS Specifications Hex slotted truss head semi-tublar rivets Process Capablilities Standard ISO, GB, DIN, JIS, ANSI, BSW, ... and equipment from Taiwan area, and mainly produces forged fastener precise screws, which are made of titanium, copper, aluminum, iron, ... a good performance in screw industry and develops well with the support of all customers. We have passed ISO9001:2008 and ...