1. Go to the construction site first to see if it is possible to install the keel: that is, to see whether the wall is completed, whether the woodworking part is qualified, and the plastering part needs to be completed first. Pay special attention to the carpentry part must be done according to our requirements, and the opening size of lights, tuyeres, etc. should be done in advance.

2. Site conditions allow Licensor to enter the site for construction. First of all, carpenters should do a good job of fixing aluminum alloy keel according to the design requirements of drawings. Note that the right angle must be flat and smooth, and the joint should be flat and dense.

3. Pay attention to the light frame, tuyere and smooth tube plate to be flush with the surrounding keel, and be firm and stable without swinging.

4. Smoke, ceiling lamp, position first and then make a wooden underframe. The bottom of the wooden underframe should be polished and smooth, and pay attention to the horizontal height. If it is too low, it is easy to highlight the trace of the chassis.