The cold storage 20000 tons of 4 layer of cold storage, form a complete set of at least five layer covers an area of 1 square shop floor. Cold storage is divided into eight library, each area covers an area of 1800 ㎡, library up to 6 metres high, each warehouse have between precooling, avoid frequent for the warehousing of goods, the influence of the rolls collection temperature changes, can maximize the stay of the rolls fresh, health and quality of the item. Two low temperature distribution warehouse, control between 35 ℃ - 18 ℃ ~ -; Two high temperature warehouse, control between 5 ℃ ~ 8 ℃; 4 constant temperature regulating fan warehouse, the lowest temperature inside can reach to 25 ℃, according to the customer's need to set temperature, the precision of + / - 1 ℃.