painted steel T grid for the suspension ceiling system. I'm Brank, export manager of ... ISO9001, we apply the most strict quality control system, three steps inner inspection. We export monthly about ... , 50mm, 63m, 70mm, 75mm, 92mm, 118mm, 138mm. FURRING SYSTEM 35x22mm, 35x16mm. WALL ANGLE 23mm, 25mm, 28mm, 32mm. CD ... & UD SYSTEM 60*27, 27* 28mm, many more size are not ...