Taizhang solved many technical problems. engineer, R&D group and worker are mature, Own complete product technologies’ system. New planetary screws technology solved the crystallizing and drying problem. Can produce PET sheet without crystallizing and drying treatment in advance. Plastic sheet extrusion line series: single screw PET sheet extrusion line, parallel two screw PET extrusion machine, PP PS extrusion production line, PP PS PE multi-layer co-extrusion production line, PLA sheet extrusion line; thermoforming machine: Negative pressure fully automatic thermoforming machine, positive and negative pressure fully automatic thermoforming machine, servo high speed 750x1225mm semi-automatic thermoforming machine; plastic cup making machine.