ZHIHU

Education and Entertainment

Owner

BEIJING ZHIZHETIANXIA TECHNOLOGY CO., LTD.

ZHIHU

Telecommunications

Owner

BEIJING ZHIZHETIANXIA TECHNOLOGY CO., LTD.

Personal

Owner

BEIJING ZHIZHETIANXIA TECHNOLOGY CO., LTD.

ZHIHU

Advertising and Business

Owner

BEIJING ZHIZHETIANXIA TECHNOLOGY CO., LTD.