As a large plastic machinery manufacturing supplier in China, Qingdao Zhongsu Machinery Manufacturing Co., Ltd. has developed and manufactured PP hollow board, PP stone plastic box board, plastic hollow building formwork, PVC skinned foam board, PVC wood plastic foam board and PVC plastic profile production line, which can be rated as the domestic advanced level. It is equipped with domestic high-quality molds, excellent special screws and perfect low-cost and high-yield formula, which has won the praise of all equipment users. At the same time, it produces all kinds of plastic plate production lines, all kinds of plastic pipe production lines, all kinds of plastic profile production lines, all kinds of extrusion auxiliary equipment and plastic extrusion molds.