Roofing Screw Manufacturer, Hex Self Drilling Screw

Taiwan Roofing Screw Manufacturer
Chang Ming Metal specializes in the design and manufacturing of various door and window screws as well as construction screws. Our product range includes hex self drilling screws, roofing self-tapping screws, nuts, and stainless steel fittings, all meeting international standards such as IFI, DIN, and JIS.