5.把组拼好的格栅天花放在铝角铁上面，中间的位置用细铁丝直接扎在轻钢龙骨上. Aluminum grille hoisting process and operation technology 1. Determine the height and use ink to bomb the high level on the wall 2. Use an iron expansion bolt to fix the hamstring to the top, and fix the light steel keel under the hamstring to maintain the horizontal(if the grid span does not exceed 3 meters, no hamstring is required) 3. Pin the aluminum diagonal along the horizontal line with cement nails 4. Put the aluminum grille on the ground and complete it 5. Place the grille ceiling of the group on the aluminum corner iron, and the middle position is directly tied to the keel of light steel with fine wire.
