Xihu Advertising Building, Xihu District, Hangzhou City, Zhejiang Province. According to Baidu map query, Tik Tok's eight major jewelry and jade and Hetian jade live broadcast bases are located in Xihu Advertising Building, Xihu District, Hangzhou City, Zhejiang Province. Hetian jade is a kind of nephrite. Hetian jade in a narrow sense refers to the jade produced in Hotan, Xinjiang, and in a broad sense refers to all tremolite jade.