steel profile-suspended ceiling system and drywall stud&track furring channel,main channel, wall angle,corner bead,accessory Our ... drywall partition system and suspended ceiling system , including drywall stud & track, metal frame for ceiling suspension, ceiling main & cross tee, wall ... Cross Rail 25*21Furring channel 28*38, 16*38Furring channel track 28*20*30,16*20*30Stud 51*33.5*35 ...