Shanghai Yantuo Computer Co., Ltd.

[ Manufacturer Trader ]Main business are Computer software and hardware

Beijing Zhongjian Guomai Technology Co., Ltd.

[ Manufacturer Trader ]Main business are Intelligent building product, Communication product.

Fuzhou Yicheng Software Co., Ltd.

[ Manufacturer Trader ]Main business are Software

Hefei Lanjiang Technology Co., Ltd.

[ Manufacturer Trader ]Main business are Computer, Network product.