Profile: Qingdao Rui-Plastic Machinery Co., Ltd., manufactures plastic pipes, blowing molding machines, plastic profile extrusion lines, plastic pipe extrusion lines, and plastic strap band extrusion lines. Our plastic molding machines adopt PLC auto controlling system, which combines the electrical equipment with hydraulic pressure, matched with corresponding die and molds, this machine can produce such plastic containers as bottles, barrels, kettles, basins, jars and boxes. Single screw profile extrusion line is mainly used to produce plastic steel door/window press strips, decoration strips, plastic air proof strips, inner door treading strips, car inside decoration strips, and similar small profile production.