This machine group has applied specially designed SJZ80 Cone Double Screw Extruder or SJP90 Parallel Double Screw Extruder, it has applied imported inverter and imported RKC temperature control meters. It has such advantages as wide range of adjustment, high precision of temperature control, convenience & reliability of operation, etc. Auxiliary machinery include vacuum setting table, drawing machine, cutting machine and material carrying frame. It is fixed with large size strong cooling device so as to guarantee setting effect of door & plate material. Belt type drawing has applied imported deceleration motor and inverter, it has such advantages as reasonable structure, large drawing force, stable drawing, etc. The cutting machine has advantages of reliable and accurate work, high precision of cutting, etc. The material carrying frame is affiliated with movable carriage and specially made rubber protection cover, it has such advantages as not damaging material, simple and convenient use, etc. The auxiliary machine group has applied programmable computerized or domestically famous control system, control of the whole machine group is rather stable and reliable.