Yong Zhe Gu

Beijing Qianyang Yuanwang Information Technology Co. Ltd. is a holding company engaged in the development and provision of online educational materials. The company was founded on January 14, 2015 and is headquartered in Beijing, China.

Hangzhou Tiangu Information Technology Co. Ltd. is a professional electronic signature service provider that offers a full range of services. The company is based in Hangzhou, China, and has subsidiaries in China. Hangzhou Tiangu Information Technology Co. was founded in 2002 by Liang Cheng, Hong Zhou Jin, and Yi Bing He. The Chinese company provides online electronic signature and signature services based on real-name identity. It also offers electronic contract management, data deposit certificates, and legal rights protection to enterprise users. Hong Zhou Jin has been the CEO since 2002.