... low , have competitive advantage .(2) Product(gypsum board ) qualified rate 99%, (3) low cost for test machines , after equipment is installed, you ... . Within 24 hours .the product pass rate can up to 99%. main qualifications :(based on the thick 9.5mm)Annual production ... PLC program control, automatic producing craft, forming-sealing head stacking. 3 million sqm plasterboard production line