1. The door frame adopts a one-time bending process, and the overall rigidity is good;

2. There are no welding spots on the surface of the door leaf, and the door leaf is filled with insulation material;

3. It has the functions of good thermal insulation performance and poor thermal conductivity;

4. Use occasion: cold storage, grain depot, machine room, control center and other places with insulation requirements.

Hardware features:

Stainless steel handle lock is safe and reliable, stainless steel bearing hinge and hidden latch are easy to use, beautiful and durable.