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Anonymous users2024-01-24First: look at the certificate.
Stainless steel doors and windows produced by formal and qualified production will have the testing certificate presented by the statutory testing agency, and have the production certificate of the safety technical protection products issued by the safety technical protection department issued by the safety technical protection department of the provincial public security department where the production enterprise is located.
Second: look at the brand, the current commonly used stainless steel security door material is mainly based on the brand.
Third: look at the thickness of the steel plate, the thickness of the steel plate of the door frame of the stainless steel anti-theft door is not less than 2 cm, the thickness of the steel plate before and after the door leaf is generally between centimeters and 1 cm, and the inside of the door leaf is equipped with a skeleton and a reinforced version.
Fourth: pay attention to check whether there are defects such as open welding, unwelding, and missing welding, and pay attention to check whether the joints of the door leaf and the door frame are dense, whether the opening is flexible, whether the gap is uniform, and whether the electroplating of the paint is smooth and firm.
Hello, the stainless steel iron door is still quite good, but pay attention to check whether it is a renovated old door, you can pay attention to the turnkey process. Under normal circumstances, the packaging of the new security door is intact, the installer packs it in front of the customer, the key should be in the package, the packaging of the key should also be complete, the lock cylinder should be installed in front of the customer, and then the key is handed over to the customer after the lock is installed.
The selection of 304 stainless steel can ensure that there is no pollution and there will be no food safety problems. But now there are a lot of counterfeit 304 stainless steel products on the market, buy a magnet to test it simply, if there is magnetism, it is not made of 304 stainless steel.
The price will be higher, if it is not necessary in a relatively humid environment. If it's just for anti-theft, you should focus on the lock cylinder, and now the highest anti-theft level of civil anti-theft door locks is C-level blade locks. For example, Baodi C-grade blade anti-theft lock cylinder, Meilibao C-level blade anti-theft lock cylinder. >>>More
1. Choose a brand with quality assurance Since the brand manufacturers have after-sales service fire doors and windows in various places, they will be repaired free of charge during the warranty period. >>>More
The rust removal tools have "stainless steel oil" and "stainless steel paste", the oil is a small bottle spray type, the paste has green and yellow, the yellow one seems to be an upgraded version of the green, twenty or thirty yuan a box, hardware store. >>>More