2million m2 / year 4million m2 / year 6million m2 / year 8million m2 / year 10million m2 / year 1. Product Plan and Main Production Technology Product Plan Paper surface gypsum board, being conformity with GB / T9775-1999 (equal to European Standard). Specifications: Thickness: 8, 9.5, 12, 15mm Width: 1200mm Length: 2400-3600mm