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1. Hot-dip galvanized coils and flat plates can be used, and galvanized sheets can also be electroplated. The materials are more convenient:

2. All parts are standard components, which are replaceable. In case of damage or rust, users can easily replace damaged parts and extend their service life.

3. It can be renovated and demolished, especially suitable for users of the leased site;

4. The external pillar can be realized, which is more beneficial to the food flow in the warehouse;

5. The air tightness is poor, but it can reach the requirements of air tightness after the use of silicone sealant;

6. The double-layer insulation structure can be conveniently realized, with little increase in cost.