... steel material to make; +Main channel with U profile gypsum board stud and track Components of wall system as follows: Component ... ,1.20Furring channel50x190.35,0.40,0.45,0.5050x160.32,0.34,0.36,0.40,0.45,0.50Card ... can make sure the products exactly size, high quality Gypsum Board Stud and Track