Sheng Mao Metal Co., Ltd.
Manufacturer of fasteners, including drilling screw, tapping screws, roofing screws, window screw, drywall, chipboard & wood screws, self-drilling screw, masonry screws, self tapping screws, plastics head caps, collated screws, concrete screw, hex lag screw, socket sets screws, zinc alloy cap heads, mid of wing, carriage bolts, hexagon bolts, thread rots, cap nuts, flange ...