On October 29, BCI, the Indonesian base of Yingfa Ruineng, released core technologies such as half-chip passivation, multi-chip and BC batteries for the first time to the Indonesian market.

On November 2, Tongling announced that the company and its related party Zhenjiang Shangkun Business Consulting Co., Ltd. and Yan Rongfei, the company's actual controller, had recently received a warning letter from the Jiangsu Securities Regulatory Bureau and were recorded in the integrity files of the securities and futures market due to the related party's occupation of non-operating funds and failure to fulfill the related party's transaction review procedures and information disclosure obligations in a timely manner.