Have you ever heard of the fireproof ktv box door, which not only has the function of an ordinary ktv box door, but also has the effect of preventing the spread of fire and the spread of smoke, preventing the spread of fire within a certain period of time and ensuring the evacuation of people. Therefore, the advantages and disadvantages of fireproof ktv box door is very critical, then how can we choose the quality of fire ktv box door it? Today we will introduce to you to buy fire ktv box door to note three things.
A: Check the appearance, quality steel fire ktv box doors welded firmly, solder joints distributed evenly. The outer surface shall be smooth and smooth. In the specified location, there shall be product marks, fire safety ktv box door quality inspection marks and quality certification marks.
B: Look at the seals. Qualified steel and wood fire safety ktv box doors shall be provided with fire seals. The seals shall be straight, free from arching, and have a qualified inspection report issued by a national testing organization.
C: Look at the completeness. Qualified wood fire safety ktv box door appearance is complete, no damage, surface light, no planing, burr and hammer marks. Cutting angles and seams should be tight and flat. Fireproof ktv box door product signs should be in place.
At the same time, we must compare more, the goods can be seen better than the three, ktv box door is no exception, if there is still a place to know, welcome to inquire.