The series for producing sheet material and plank possess tight structure, good feature, excellent screw rods and tanks which are well designed and professionally processed with top quality alloy steel to make the machine even plasticizing, stable squeezing, high productivity and long usage, etc. With wind cooling, the main material tank is equipped with speedy net exchanger to keep continuous producing. Through its fine adjustment capability, the exquisite typicallized calendaring device forms sheet or plank excellently. Long cutting device ensures the accurate size. Through different parts combination, the product line is suitable for various processing such as PP, PE, PS, ABS, PET, PVC, PMMA, and PC.