1. The first is stainless steel: Stainless steel plate is generally used in the door 304 # and 206 #, the number represents the degree of stainless steel rust. 206# has a poor anti-rust effect, and when exposed to acid (such as floor cleaners), it will play matt or rust (especially in the weld spot).
2. Door locks: try to Lock the locks that cannot be unlocked with the keys and lock them out of the door (don't choose locks like the big wooden doors of the new garden. This kind of locks can easily be built into the house, dangerous)
3. Hinge: Welding must require full welding and polishing
4.Stainless steel plate thickness: generally require manufacturers to provide 1.2 thick stainless steel plate (some finished products on the market is 0.8 thick)
5. Anti-snail nails: The device will be on the door of the big factory, there will be 5 to 7
6. Must provide the manufacturer with the certificate (manufacturer must have), it is best to sign the contract with the manufacturer or keep the purchase order (seal)
7. Look at the quality We can see that the shadow gauges on the stainless steel plate of the door are not regular (thicker and more structured) and the weld joint is flat (process level)
Security door purchase decoration materials knowledge nature floor stainless steel doors
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