... auto edge-adjusting, fixed length cutting, turnover transverse conveyor, transverse dryer, prevent folding device, automatic tracking mechanism ... heavy oil, ect. 6. Advantages: 1) Product quality: product quality is priority to the international standard GB/T9775-1999 ... The gypsum board which produced by the gypsum board production line is heat-resistant, fire-resistant, insulated, light, nonpoisonous ...