... *2:PVC pipe Extrusion lineThis production line is mainly used in the production of U - PVC, C - ... , turn rack, etc, have good stability and high yield rate, easy operation and reliable. Main technical parameters: DateTypeJY50JY160JY250JY400JY630ExtruderJY-51JY-65JY ... (cement, iron, ceramic) made of steel tubes, widely used in highway, municipal construction, residential area, playground, square, ...