Qingdao Shize Machinery Manufacturing Co., Ltd. specializes in manufacturing high capacity and excellent quality plastic machinery equipment. Our company is located in beautiful coastal City of Qingdao and enjoys convenient traffic condition and beautiful environment. Owning one advanced design system and skillful technician team, our company is the high-tech enterprise combining research, development, production and technical service. Our company always pays attention to technology and management innovation. The main products contain high speed extrusion single screw extruders, HDPE large caliber hollow winding pipe product lines, HDPE/MDPE large caliber gas/water pipe product lines, PVC/PE single/double wall bellows product lines, FJGY-16/63 aluminum plastic multiunit tube product lines, PP-R pipe product lines, multifunctional PVC pipe product lines, PE-C carbon fiber spiral tube

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