1. Determine the fixed position of the two rails according to the width and height of the door panel and measure the level with a horizontal pipe, and then fix it with M8×41mm square head screws.

2. Use a tape measure to measure the distance between the horizontal rail and the wall and between the two horizontal rails, use a level to measure the level of the horizontal rail, and then use M6.4×14mm cap screws and hexagonal nuts to connect the horizontal rail connector to The horizontal rail and the rail are fixedly connected and fixed.
3. Make two tripods with eye-angle steel, then connect them to the end of the horizontal rail with M6. 4×14mm cap screws and nuts, and use M8×70mm expansion bolts to fix it to the ceiling or wall . This is done.
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