... /0.5/0.6mm 20x20x3000x0.45/0.5/0.6mmDrywall channel system some sizes as follows:a) Stud: 70x35x3000x0.45/0 ... the following items:1) Light gauge steel profile (main channel,furring channel,G.I. wall angle,stud,track and accessories);2) Suspension ... ,theater,airport,bus station,hotel,lobby,rail way station,etc.);8) Cement fiber board and calcium silicate board for commercial and ...