The door and window industry in the Internet + era, quality is fundamentalThis is the era of new quality demand, the era of new quality experience, the era of emotional connection with the soul, the era of craftsmanship and quality. The development of the industry is inseparable. Advanced technology

The more lock points of the security door, the betterThe more lock points of the security door, the better? In fact, experts say: 4 lock points of the security door are enough.The function of the lock point of the anti-theft door is to prevent prying, but it is the lock cylinder that really controls

Daily maintenance skills of anti-theft doorsAs a daily necessities, security doors are very important for maintenance.1. Fill the cement carefully. On the one hand, the door frame and the wall are effectively combined; on the other hand, the door body and the door frame are kept in a reasonable coor

How to distinguish true and false fire doorsFire doors are one of the facilities for building fire separation. They are usually used in firewalls, stairwell entrances or duct well openings. In addition to the functions of ordinary doors, fire doors have the function of preventing the spread of fire