... coating- 11 outlet looper- 12 checking- 13 stamping - 14 Cuting- 15 Coiling7) Standard:AISI, ASTM, BS, DIN, GB, JIS (you ... as your requirementHot dipped steel Galvanized steel coils Zin60-275g/sm,thickness from 0.12-1.2mm steel coilsGalvalume steel coils Zin60-275g/sm, ... the certification industry.Our sales Department:Contact me : yongxin006 color coated gi coils,gi sheet,gi,gl,galvanized steel coil