Dalian specialized customized stereoscopic warehouse also calls the elevated library or overhead storage, generally refers to using several, a dozen layers and dozens of the height of shelf storage unit goods, with the corresponding material handling equipment for goods warehouse inbound and outbound operations.

Automated warehouse system (AS/RS) is logistics technology revolutionary achievements, it generally from the top shelf, stacker machine, conveyor, control system and computer management system (WMN), etc, can be done in the computer system under the control unit of goods automatic access operation.

Dalian is the earliest professional manufacturer of customized stereoscopic warehouse application (1953) in the United States, the most widely used in Japan.

Our country started in 1973 developed the first controlled by computer automation stereoscopic warehouse (15 meters high, is responsible for the mechanical lifting), the system put into operation in 1980. According to rough statistics, by the end of 2010, China's automated stereoscopic warehouse ownership of more than 1000 seats.

The automated multi-layered storehouse application range is wide, almost throughout all industries. At present already obtained application industry are mainly machinery, metallurgy, aerospace, electronics, medicine, books, food processing, tobacco, printing, distribution centers, airports, ports, etc.