... ,a specialized company in manufacturing the fasteners,such as standard wedge bolt form tie,d-cone,b-cone,u-clip,hex-nut ... ,standar pin,stub-pin,tie rod,tie nut,long pin,wedge bolt, wedges,flat tie,studs,iron wires,clamps and other special ... :2000. We learn that you are in the line of construction,I will send you an electronic catalogue for your reference ...