(1)Monitoring and Premises Distribution System

　　In each mail processing center there is a Command System developed to better organize and monitor mails in the production process. This system includes the following parts: TV monitoring system, Production broadcasting system, Radio communication system and the Operation Monitoring System etc.
　The Premises Distribution System is designed for Integrated Service Data Network and the development of computer information system.

------------------------------------------------------------------------------------------
(2)Wireless Data Transmitting Registration Device

　　This device consists of a barcode registration device, a radio modem, a printer and dischargeable battery. It can independently and automatically record data, print lists, and transmit data of the lists without the power line and communication line, so it is fit to use on site for packages and presswork.