... .0mm Length:3m,5.8m,6m A)Size:41mm*21mm or 41mm*41mm back to back 41*41mm, 41*62mm,41 ... Treatment:HDG(hot dipped galvanized ),Pre-galvanized,Cold-galvanizing(yellow or white),powder coatingG)Production Ablity:1000MTS monthlyH)Application :Hanging-Pipes System,Convenient ...