Yu Jianqiu was developing Gushan's Sichuan factory while investing in other industries. In 2002, he joined a sensing technology company in Xiamen.

During the development of Gushan's Sichuan factory, Yu Jianqiu came up with the idea of ??going public and began looking for investors.

In 2005, Weizhong Venture Capital invested in Gushan.

A year later, Yu Jianqiu announced that he would go public in Hong Kong and raise US$200 million, but it later stalled for some reason.

Since then, Yu Jianqiu has turned his attention to the United States for listing.

Tiger Fund, Weizhong Venture Capital, KTB of South Korea, Blue Mountain Capital, etc. have invested in it.

The failure to list in Hong Kong also made Yu Jianqiu make a lot of preparations before going public.

“All the companies he hired are well-known companies, such as Merrill Lynch as the sponsor and KPMG as the auditor,” said an official from a well-known domestic investment fund company, in response to Gushan’s claims of “industry leadership”, “high gross profit margin”, and “advanced”.

technology” and they invest in it as well.

At the end of 2007, Yu Jianqiu's dream came true. On December 19 of that year, Gushan listed on the New York Stock Exchange at US$9.6 per American depositary share.