Plastic flat net (also known as plastic aquaculture net) is the plastic raw material in the extruder heated and molten, through the screw extruder into a special rotating head with a number of small holes in the inner and outer die. The molten plastic flows through the hole of the mold to form a two strand of molten wire. Because the head is rotated, the two strand threads converge to a point, thus forming a point. Network, and then cooling and setting the net. It is mainly used for aquaculture, poultry breeding, silkworm rearing, civil engineering, aquaculture maintenance, Garden Golf Course protection, railways, highways, roadbed reinforcement, etc.