Drywall or ceiling light keel connection accessory

Drywall or ceiling light keel connection accessory could be used to connect the C, U light keel either for ceiling or drywall to finish the fixing connection work. Used together with different purlines, the light keel connection accessory shape and sizes are different.
Nearlly all the light keel connection accessories are made by punching machine. Those production lines are composed by decoiler, coil feeder and punching machine. Here are some types of light keel connection accessory pictures for your reference.

This production line is composed by the following elements:

The first one: decoiler

Punching machine:

Here is the machine working video for your reference: