galvanized steel CD channel used for gypsum drywall suspened ceiling, 60x27mm ... (track,stud, furring channel, Omega, wall angle,UD,CD,UW,CW) from China. Two of our plants have ... production lines, output 4,000 Tons monthly, ranking No.1 in North China. Certified by ISO9001, we apply the ... SYSTEM 35x22mm, 35x16mm. WALL ANGLE 23mm, 25mm, 28mm, 32mm. CD & UD SYSTEM 60*27, 27* 28mm, many more size are ...