We drive the screw into plasterboard and to the bottom surface of Omega channel, this way we can connect the plasterboard with the Omega channel together.
We use machines to press the galvanized steel band and make different size, and cut into different shape and length as required. They are elegant, rust proof, fade proof, acid and alkali resistant and durable.

Size: 35mm-22mm-22mm; (48-50mm)-(22-25mm)
Thickness: From 0.35mm to 0.6mm.
Length: From 1.83m to 3.6m
Or according to your dimensions needed.