Qingdao Zhonghuayu Plastic Machinery Co. Ltd PVC Elbowboard Production Line, production technology, mixing material—extruding by twin-screw—mould—vacuum forming—cooling—correction—traction—cutting—discharging— coating film This production line features in strong stability, high yield, long lifetime. Adopt import fittings in main electrical components. Width of product manufactured by this kind equipment: 500-1000mm, Thickness: 20-40mm, smooth surface. It looks beautiful after coating film, is an ideal material for fitment.