When buying non-standard doors to focus on inspection of anti-theft performance and quality, should be from the following key parts of the inspection:

   Check the lock performance and structure selection anti-drilling lock, drill bit into the keyhole, the rotation will follow the drill head when the rotation, can play the role of the lock is not destroyed. Locks require three-way locking structure, single door 3 hinges, double open doors 6 hinges, door and door frame plus dark lock, even if the hinge is chisel out, the door is not open. The following are the same as the "

   The number of locks on the door and the number of jacks, the best choice of two locks each control the two pole of the door, even if it can be destroyed, it will delay the time. In general, a lock can control 3 to 4 rods, so that the door anti-theft performance is poor, once the lock is damaged, a few rods at the same time lose their role. The following are the same as the "

   Look at the thickness and area of ​​the stiffener around the lock. The non-standard door is closed from the structural design in a closed and fenced manner. Regardless of which type of lock is the main part of the theft, the lock plate should be more than 2 mm Of the cold steel plate, the height of the guard plate is not less than 500 mm. The following are the same as the "

   See how the quality of non-standard door material selection is fundamental, the quality of the production process is the key. In particular, should pay attention to check whether the welding defects, such as open welding, not welding, leakage welding, slag and so on. Whether the door and the door frame with the dense, the gap is uniform, open whether flexible, all joints are foraging, paint plating is uniform and solid, smooth and so on. The following are the same as the "

   From the design of the selection of non-standard door on the market luxury, mid-range, the general three categories. Luxury type panel material for the stainless steel plate, the main frame for the production of stainless steel square tube, flower fence are stainless steel profiles; mid-range general use of a combination of round steel and floral combination of the general type is the use of square steel, round steel and flat steel 16 × 4 mm) and other materials. Users can choose their own favorite type according to their own circumstances. In addition, the installation of non-standard door, the requirements of the expansion bolts fixed, and welding with welding, fixed point of not less than 8, while 4. In terms of maintenance, should be 3-6 months to the door shaft and plunger refueling, so that it can be flexible open, but do not refuel the lock to prevent dust, affecting the performance of the door.