... /0.5/0.6mm 23x23x3000x0.45/0.5/0.6mm 22x22x3000x0.45/0.5/0.6mm 20x20x3000x0.45/0.5/0.6mmDrywall channel system some ... items:1) Light gauge steel profile (main channel,furring channel,G.I. wall angle,stud,track and accessories);2) Suspension grid system for ... faced normal,fire resistant,moisture resistant,water resistant);5) Mineral fiber acoustic ceiling tiles for commercial use and home use.6) PVC ...