What is the standard size of standard door and sub-mother door

Sub-mother door size standard: 210 * 120 * 40cm.

Standard door size standard: 2050MM high 1260MM wide.

Sub-mother door features:

1, more secure and reliable, anti-theft letters door handle for bronze handle, belongs to the high-quality grasp of the comfort, the door is designed to have an invisible strengthening hinges, bright and shiny, visual Texture effect is good, the door frame of the anti-theft sub-mother door products and the size of the door opening is also more compatible.

2, the way to resolve, will have a direct impact on the home of the unchanged aura, the aura is not stable. Sub-mother door size and appearance of beautiful and generous

3, section time or half of the double door is too small inconvenient passage, the inner filler using honeycomb material, triple protection more secure, the side of its door plate using airbag sealing strips, elasticity is good, the door push and pull effect is good, the door of the use of stainless steel under the threshold of the production of stainless steel, rust is not easy to rust, save the heart and so on, it will constitute a double mouth against each other. Sub-mother door size door frame plate using Q235A hot rolled plate molded in one go, take this to dissolve.

Expanded Information:

p>How to choose a security door

Method 1: In the purchase of anti-theft before the sale of merchants to allow the relevant departments to show the relevant departments of the "Certificate of Inspection and Qualification". To see if we want to choose this security door in line with the national mandatory standards GB17565-1998 technical requirements.

Method 2: Check the security door locks are not used by the public security organs to detect qualified anti-theft special locks. Also check the installation position of the lock is not to strengthen the protection of the steel plate.

Method 3: Look at the security door of the quality of workmanship is not qualified, there is no welding defects on its door, as well as the door frame and the door is not very dense.

References:

Baidu Encyclopedia National Standard for Security Doors