Polyester spiral mesh series for dry quantitative large packaging paper, culture paper, paperboard and paddle plate. Widely used in papermaking, coal, food, medicine, printing and dyeing and rubber products industry, can also be used as conveyor belt and complex machine supporting network. With a large permeability, mesh surface formation, can be arbitrarily disassembled, good strength, long life advantages. Special materials spiral net also has high temperature, high wear resistance, anti-aging and other characteristics.