1)Galvanized steel wire and High-strength polypropylene. 2)Independent intellectual property rights of the advanced equipment , About the quality of products:Material: 1)Galvanized steel wire ----diameter 0.6mm-0.8mm Manganese steel wire , wear-resistant and not easily broken, never rust. 2)High-strength polypropylene----diameter 1.2-2.5mm Tensile strength high. excellent wear resistance 3) ...