Drywall metal studs: 1)Horizontal channel: a)QU 50 x 40 x 0.60mm b)QU 75 x 35 x 0.60mm c)QU 100 x 35 x 0.60mm 2)Vertical channel: a)QC 50 x 45 x 0.60mm b)QC 75 x 45 x 0.60mm c)QC 100 x 45 x 0.60mm 3)Raw materials (GI coil): a)Zinc coating:Z80(80gsm),can be provided in accordance with customers' requests b)Material quality:Q195 4)OEM products are available 5)The thickness and length can be provided in accordance with customers' requests 6)All sizes and shapes of steel channels are available Packing: Paper boxes