Cangzhou Pearl announced that the company signed a “Guarantee Contract” with the Cangzhou Branch of the Bank of Communications on December 11, 2025 to provide joint liability guarantees for Sun Company's credit business debt of 55 million yuan for Cangzhou lithium battery diaphragms. After the transfer, the guarantee amount for lithium battery diaphragms in Cangzhou was 2.5 billion yuan, the balance after the current guarantee was 2.18 billion yuan, and the remaining amount was 320 million yuan. As of the announcement date, the company's external guarantee balance was RMB 3,729 million, accounting for 72.40% of the audited net assets at the end of 2024. From January to September 2025, Cangzhou lithium battery diaphragm had revenue of 324 million yuan and net profit of 78.66,800 yuan.

Cangzhou Pearl announced that the company signed a “Guarantee Contract” with the Cangzhou Branch of the Bank of Communications on December 11, 2025 to provide joint liability guarantees for Sun Company's credit business debt of 55 million yuan for Cangzhou lithium battery diaphragms. After the transfer, the guarantee amount for lithium battery diaphragms in Cangzhou was 2.5 billion yuan, the balance after the current guarantee was 2.18 billion yuan, and the remaining amount was 320 million yuan. As of the announcement date, the company's external guarantee balance was RMB 3,729 million, accounting for 72.40% of the audited net assets at the end of 2024. From January to September 2025, Cangzhou lithium battery diaphragm had revenue of 324 million yuan and net profit of 78.66,800 yuan.