Specifications: 

Metal ceiling clip-in system.
Material: Hot-dipped galvanized steel.
Accessory for "A" type clip in ceiling system.

Accessory for "A" type clip in ceiling system.

Suitable for 38 and 50 C channel.
common size:

20*23*0.30*3000mm
23*25*0.30*3000mm
28*25*0.35*3000mm
28*25*0.40*3000mm 
advantage:
easy to install
effective cost
environment friendly

Tip:  The size can be made by your requirement.