... YuanSheng Mesh Co.,Ltd has approved ISO9001-2000 Quality Management System in 2001. 60% of products is exported to ... /16'', 1''x1/4'', 1 1/4''x1/4'', 1 1/2''x1/4'', 1''x1/8'', 1 1/4''x1/8'', 1 ... 41.25, 60, 80mm etcUS standard: 19-w-4, 15-w-4, 11-w-4, 19-w-2, 15-w-2 etc. 3Twisted Cross Bar Pitch38.1, ... 50, 60, 76, 80, 100, 101.6, 120mm, 2'' & 4 ...