The warehouse is the national key meat and aquatic products reserve cold storage in Tianjin, with an investment of 430 million yuan in the first phase. It is two eight-story cold storage buildings with a storage capacity of 150,000 tons. In terms of technology, multi-stage pump and advanced liquid supply and return technology were adopted, which overcame technical difficulties such as uneven multi-layer liquid supply and too fast liquid supply, and won unanimous praise from Party A and the supervisor.