K-12 online education start-up Zuoyebang is in talks to raise $600-800 million in a new funding round, with the valuation at $6.5 billion before to the investment. In response, Zuoyebang suggested that the information was not accurate, but declined to offer further details. The spokesman also said that Zuoyebang had “kept good contacts” with capital markets.

As a brand hatched by Chinese search engine giant Baidu in 2014, Zuoyebang has spun off for independent operation in 2015, allowing students to upload their homework questions and search for answers on its platform. The company's core business currently includes Zuoyebang, Zuoyebang live-streaming courses, and Zuoyebang Kousuan, which can help teachers and parents to check students’ Mathematical calculation homework. As of now, the products have more than 170 million monthly active users, and the number of cumulative users nationwide has exceeded 800 million.

Previously, the company has closed five rounds of funding, and major investors include  Sequoia Capital China, Legend Capital, GGV Capital, Xianghe Capital, and Goldman Sachs.