On February 3, Foster announced that on February 2, 2026, the company signed the Partnership Agreement of Jiaxing Deco Equity Investment Partnership (Limited Partnership) with Tongxin Derun Venture Capital (Hainan) Co., Ltd. and other partners. Jiaxing Deco Equity Investment Partnership (Limited Partnership) (hereinafter referred to as "Partnership").

The partnership will mainly make equity investments in companies engaged in flexible thin film GaAs batteries and other flexible GaAs thin film products.
It is reported that the total subscribed capital contribution of all partners to the partnership is RMB 32.11 million. Foster, as a limited partner, will subscribe for a capital contribution of RMB25 million with its own capital , accounting for 77.86% .
For the above-mentioned investment cooperation, Foster said that the aim is to strengthen the company's understanding and interaction with the GaAs industry chain, link more abundant industrial resources, accelerate the development and application of new solar cell packaging materials, and enhance the company's comprehensive competitiveness with the help of the investment experience and resource advantages of professional institutions. It is conducive to the long-term steady development of the company.
As of the close of February 3rd, Foster rose 10% on that day, closing at 18.7 yuan per share.
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