Shenzhen Tsinghua Tongfang Co., Ltd.

[ Manufacturer Trader ]Main business are Electronic product

Shanghai Nanxun Elevator Fittings Factory

[ Manufacturer ]Main business are Elevator cabin controller, Display.

Zhengzhou Central China Display Laboratories Ltd.

[ Manufacturer Trader ]Main business are LED indoor and outdoor display, Movable screen.

Shanghai Chuanneng Electronic Product Factory

[ Manufacturer ]Main business are Color plasma display

Shanghai Gudai International Trade Co., Ltd.

[ Trader ]Main business are Display device

Guangzhou Singfai Scientific Instruments Co., Ltd.

[ Manufacturer Trader ]Main business are Projection facilities

Nanjing Jinjialian Technology Co., Ltd.

[ Manufacturer ]Main business are Multimedia projection equipment, Multimedia teaching system, Video communication meeting system.

Jinan Donghuan Technology Development Co., Ltd.

[ Manufacturer Trader ]Main business are Broadcast and TV equipment and related peripherals.

Beijing Gzhihang Technology Co., Ltd.

[ Trader ]Main business are Projector.

Sichuan Huali Electronics Co., Ltd.

[ Trader ]Main business are Projection facilities