Bicycle chain cover 1)Material:Carbon steel SPCC 2)Finish: Plain, black ... construction etc. Our products are strictly produced according to all the standard like GB,DIN,ANSI,BS,we also ... screw,Bolts,Nuts,Washers,Anchor bolts and so on.All of these products have stock,high quality and ... it is finished without any reason,customer should bear all the responsibility5. If you are our regular customer, ...