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Anhui Blue Frog Electronic Technology Co., Ltd.Anhui Sheng, China

Suzhou Jingshi Electronic Technology Co. Ltd.Jiangsu Sheng, China

Anhui Jianzhu University

Zhangzhou Dongshengda Electronic Technology Co., Ltd.

Sichuan Jingwei Digital Technology Co., Ltd.Sichuan Sheng, China

Chongqing Lanlin Teaching Equipment Co., Ltd.Chongqing Shi, China

Ningbo Regent Digital Technology Co., Ltd.Zhejiang Sheng, China

Tianjin Yingshuo Electronic Technology Co., Ltd.Tianjin Shi, China

ERIC BEARE ASSOCIATES LIMITED

Jiangsu Kaishun Electric Co., Ltd.Jiangsu Sheng, China

Hangzhou Dachen Display Technology Co., Ltd.Zhejiang Sheng, China