Detailed Product Description

Security door Characteristics: 

1.Lockset

Qualified lockset tested by the Ministry of Public Security. Automatic lock controls all directional lock tongue. The lock point of the mechanical lock works freely; upper & bottom side lock adopts connecting rod structure. Locking or unlocking in the upper, middle and bottom conditions, multi-layer thickened strengthened plate of lockset is characterized by impact resistance and breaking resistance.

2. Large peephole with high definition

The peephole with super-large visual angle and high definition is smart and attractive.

3. New-style reinforced hinge

It adopts thickened, widened and reinforced adjustable hinge, steady in rotating bearing , unique in design and superior in performance.

4. Doorframe

It adopts thickened inner folder, decorative doorframe, combing theft proofing with decoration.

5. Surface treatment effect

It adopts imported phosphatization liquid, processed by surface high temperature phosphatization treatment, acid resistance and alkali resistance are possessed due to the protection of phosphatization liquid.

the equipments:

1. Metalwork System:

Introduces the most advanced metalwork system in the world, which adopts Windows NT operating system, features easy operation and higher flexibility, can be used in all high-precision metal plate processing.

2. Hydraulic Equipments:

Door surface is processed by 2000-ton hydraulic forming equipments, so owns flat surface and higher strength.

3. Rolling Equipments:

Doorframe uses roll-forming technique, with attractive appearance and high stiffness.

4. Inner Filling of Door Leaf:

The inner of door leaf is filled with high-density polyurethane or special alveotate paper core, which are characterized by heat and sound insulation, high heat preservation performance and good smoothness. The material, processed through fully automatic coating system, has foundationally been settled the defects possibly arising from coating process. The company is the first one to apply high level car preprocessing technique in the same trade.

5. Automatic Leveling & Cutting System:

Adopt the auto control system, become book plank school flat panel, and the precision shear the specification need, even accuracy in school can reach to a 1-2mms/m², shearing to slice accuracy can reach to 0.05mms/m² or so. The steel plate is neat, having no cave and convex gravamen phenomenon, promising a door plank quality.