... profile used for drywall partition system and suspended ceiling system, including drywall stud & track, ceiling main & cross tee, ... *32, 70*34.5, 75*35, 100*35 Track 41*25, 50*25, 63*25, 72*25, ... Furring channel 28*38, 16*38 Furring channel track 28*20*30,16*20*30 Stud 51 ... life 2.lightweight 3.high qualityCertificatesISO certification and export license Cellphone :0086-18301412451 metal stud and track