Hai Yan Ji

Tonghuijiashi (Beijing) Information Technology Co., Ltd. engages in the provision of display application services. Its products include smart interactive liquid crystal display (LCD) whiteboard, ultra narrow side LCD splicing, professional LCD, intelligent interactive conference system, small pitch light-emitting diode (LED), Data loss prevention (DLP) projection display, NEC business projection, and black crystal smart Nano blackboard. The company was founded on July 31, 2008 and is headquartered in Beijing, China.