(1) wide application range: suitable for China's North and a variety of fruits, vegetables, flowers, nursery stock, such as storage. 

(2) long storage period and high economic benefits. Such as grapes fresh 7 months, Apple 6 months, garlic 7 months later, quality fresh as ever, total loss less than 5%. Grape production is only 1. 5 Yuan/kg, and storage before and after the Chinese new year priced at up to 6 Yuan/kg. Once put into cold storage, service life of up to 30 years, economic