perforated metal strut c channel for sale 1.Professional manufacturer & exporter 2.CE,NEMA,UL,ISO9001 3.Best price Strut Channel System Information Strut Channel System Provides;High quality & reasonable Price, no need welding and punching, can use repeatedly, wide usage range, flexible for installation. 1. Standard thickness: 1.5mm, 2mm, 2.5mm,2.75mm, 3mm 2. Standard length: 2440mm, 3000mm, ...