Jinko Power Technology (SHA:601778) committed 200 million yuan as a limited partner in the Shenzhen Runxin Tianji Equity Investment Fund.
The amount represented 31.75% of the 630-million-yuan fund, according to a Thursday filing with the Shanghai bourse.
The fund, managed by CSC Capital, will target unlisted companies in the new generation information technology sector.
Shares of the solar panel manufacturer were down 2% in recent trade.