... ! CERTIFICATE :ISO9001:2000, ISO14000, ROHS, SGS 1. ALUMINIUM ALLOY :1000 series : 1020,1060,1100,1150,1170,1175,1180,1185,1193,1199 ... ,3010,3011,3012,3015,3103,3104,3A12,3A21,3203,3303···5000 series : 5005,5010,5013,5014,5016,5040,5042,5043,5049,5050 ... ,5454,5456,5457,5552,5652,5654,5657,5754,5854···8000 series : 8010,8011,8014,8017,8020,8077,8112,8130,8176 2 ...