Barter is the present and the future of international trade, especially for people who is starting in the import export business. Barter and more: Triangular operations.
Screw is widely used as an anchor nail at construction and decoration. Metal material is rigid, anti-rust and corrosion proof. The plastic coat is water proof and temperature resistance that embed in the wall for excellent reinforcement. There are two kinds of nails, concrete metal screw and plastic insulation screw, both of them are durable and stable to use and easily installation without special installation tools.