Zhengzhou ZhongguSealed insulation door-Double section rubbing door type - related knowledge: Sealed insulation door - double joint rolling door type-Product Features:

The special sealed insulation door for grain storage is a steel structure, compression type insulation door. The door frame and skeleton are welded with cold-formed hollow square steel. The door is 6cm thick and the panel is made of 0.5mm color board. Internally filled with insulation and heat resistance material (polyvinyl chloride), sealed with specially designed sealing rubber strips for refrigerated containers, which have high elasticity, strength, and durability. The lock is made of special cast steel components. The product has reliable sealing insulation and flexible operation characteristics.