As the first domestic new-type machine, ZN550 automatic positive and negative thermoforming machine, is researched and developed by our scientific researcher according to the market demands and our past production technology. This machine includes 4 stations (forming, punching,cutting and stacking) It not only works effectively in the production of PP, PS, PET, PVC and PLA plastic products, such as reducing capital investment, large labor input, complicated production process, lower hygienic security, etc, but also has extensive usage. All in all, this automatic positive and negative plastic containers making machine enjoys beautiful appearance and good price. It is popular with the customers at home and abroad.