... FORMWORK We are China Hebei ShuangFei Fastener Co.,Ltd,a specialized company in manufacturing the fasteners,such as b-cone,d-cone,b ... ,pins,wedges,ties,studs,iron wires,clamps and other special fasteners.we have been manufacturing the fastener for more than 20 ... your early reply. Yours faithfully Mr ma Hebei ShuangFei Fastener Co.,Ltd TEL:86-15075176405 If you are interested in our productions ...