Cold room adopts the color steel plate, stainless-steel as panels using rigid polyurethane foam as insulation materials. It also uses advanced technology to make compound plate wall adopting button connections of embedded parts of the internal plate wall with the advantages o convenient assembly & disassembly and start- up. It has superior insulation performance and quick cooling speed. Cold storage is widely used in the departments o restaurants, hotels, guesthouses, farms, shops, fishing, orchards, as well as food, electronics, chemicals, pharmacenticals, ect. Whose test environment is frozen, quick freezing and low-temperature. It is also suit for the remote areas, factories &mines, and armies with unconvenient traffic.