Frame: All-steel frame made from 1.0mm best quality steel and shaped by moulding, cold-rolled, folded, welded, polished.
Body: Each accessories were made from the best quality steel as difference thick, the surface was cold-rolled, floded, welded, polished, acid cleaned, and coated with electrostatic.
Door panel: It is adopted inside and outside the two-tier structure, the drawer was formed by bending the cold-rolled steel, the ribs with the strong bearing capacity, the panel was connected with the outside drawer's panel through the screw after bended.
Laminates: Steel laminates, to inforce the load-bearing capacity.
Others: Eqiupped the double stainless steel ring in the wood door to fixup the gas cylinder, with the air exhaust hole and the wind-fill hole in it, it is convenient for the inner and outer air 's circulation, also with the alarm funcation