Several major standards for authenticating anti-theft doorsIn recent years, anti-theft doors have also occupied a certain share in the market. At first, it gave people the impression that its anti-theft function. Nowadays, the production principle of anti-theft doors has brought good news to million

Key points of double-opening security door size and installationThere are many types of anti-theft doors on the market. According to the standard GB25-92 "General Technical Requirements for Anti-theft Security Doors" promulgated by the Ministry of Public Security, anti-theft doors can be divided int

Installation and maintenance of anti-theft door core componentsLocks are the heart of anti-theft doors. Anti-theft door locks account for about 2%-3% of home decoration expenses. Although the proportion is small, it cannot be ignored. Nowadays, there are many kinds of locks on the market. There are

How to buy aluminum alloy doors1. Recognition of signsManufacturers with formal or production licenses shall indicate the product logo on the obvious parts of their aluminum alloy products, including: manufacturer name or trademark, product name, product model or mark, manufacturing date or serial n