We are Tianjin jiaming standard component make CO,LTD. whicb is a large owned company, mainly trade in drywall screw,chipboard screw,self drilling screw,self tapping screw,common nails,galvanized steel coil,collated screws,wire and so on.double flat head pozi chipboard screws3*(12-40)3.5*(12-50)4*(12-70)4.5*(16-70)5*(16-100)6*(25-100) bugle head drywall screws3.5*(16-76)3.9*(25-76)4.2*(25-90)4.8*(25-152)bugle head self drilling screwzinc/black phosphated3.5 x25 3.5x30 3.5x35 3.5x45Of course ,good quality and competitive price,delivery in time is our most advantageous.If you are interested in our products,please be free to contact us.If you have any questions, please feel free to contact us. We accept small ordersBest Regards!Tianjin jiaming standard component make CO,LTD.TEL:0086+022+23992321 013920727448Web:xxxxxmsn:xxxxx