Yan Hua Jin

Guangzhou Knowledge Circle Network Technology Co., Ltd. is the private company behind the fun exercise (knowledge circle brand), which provides a professional online education counseling exercise punching tool. The company is based in Guangzhou, China. The tool helps teachers and institutions complete business scenarios such as admissions promotion, online lessons, counseling reviews, assignment correction, answer evaluation, etc. The Chinese company has more than 60,000 teachers and 10 million students. The company was founded in 2017, and the CEO is Da Wei Sun.

Beijing Weifangcheng Technology Co., Ltd. is a full-spectrum marketing intelligence service provider that focuses on using data and technology to promote business growth. The company is based in Beijing, China and was founded in 2014 by Po Qi. The Chinese company offers a range of products and services, including Zfang CID, Index RTA, Shenlian, Shandeng, and Huanxing, and has served over 50,000 domestic enterprises.