... 50mm, 63mm, 70mm, 75mm, and up to 138mm I'm Brank, export manager of China largest supplier of steel profiles (track,stud, furring ... channel, Omega, wall angle,UD,CD,UW,CW) from China. Two ... category. Also we can customerize the product according your drawing and requirement. STEEL TRACK & STUD 41mm, 50mm, 63m, 70mm, 75mm, 92mm, ...