The polyester molding network is installed in the forming part of the paper machine, and the one end of the pulp (containing 99% of the water and 1% of the fibers is mixed) is evenly spread on the forming wire. It is a conveyor belt and a dehydration equipment. With the movement of the forming net, most of the water is filtered out by the forming wire, and the wet forming paper is left on the forming wire. According to the specifications of the forming network, its life will be different.