VC plastic buckle the corners of the corners is how fixed to the wall of the buckle is how and cords connected to the light steel keel and gypsum do cut off the light steel keel is how and the wall ...
Light steel keel sub-station dragon and Wolong. Wolong before the installation of the first hammer with a hammer, playing wooden needle, and Wolong fixed, and then install the station dragon, and clamp with a good fit.
Each corners above the U-slot, this is the use of the buckle board.
