U /C shaped channel Our products and specifications are as follows: Covering channel: dc 60*27*0.6mm, 50*19*0.5mm, 50*19*0.6mm. Supporting channel: du 60*27*1.2mm, 50*15*1.2mm, 38*12*1.0mm. Horizontal channel: qu 50*40*0.6mm, 75*35*0.6mm, 100*35*0.6mm, 150*40*0.6mm. Vertical channel: cu 50*45*0.6mm, 75*45*0.6mm, 100*45*0.6mm, 150*45*0.6mm.