cold storage: 1: customized size&design. 2: good quality&reputation. 3: temp:-40c~+20c cold storage:Feature of modular cold room:-- temperature range: -40c~+20c(-40f~+68f) are all available.-- size: customization.--function: fresh-keeping, freezing , quick-freezing, fire-proof, explosion-proof, air-conditioning are all available.--fully automatic control system.Components:-- condensing unit: ...