1. ensure that the system can provide the best service for meetings and training. The system selects advanced and practical technology and functional products, first-class equipment and advanced technology. It embodies the development level of today's multimedia technology and is in line with the development trend in the future. In the future, it can maintain its leading position in technology for a long time.

2.equipment selection and system design to ensure that the user needs to meet the needs of the technology, with advanced, feasible and practical, to lose the "foam" attached to it, and to achieve a unified function and economic optimization design.