On April 28, 2023, CSD (Beijing) Environmental Protection Development submitted a proposal in which CSD Water Service would provide a counter-guarantee for the financing of Henan Water Conservancy Investment Group Co., Ltd. The purpose of the financing is to support the growth and development of Suixian Water Environment Development, a subsidiary company. The proposed loan amount is 150 million yuan. Henan Water Conservancy Investment Group has agreed to provide full guarantee for the financing, and in order to secure the loan, CSD Water Service plans to pledge all of its equity in Suixian Water Environment Development to Henan Water Conservancy Investment Group as collateral.

Additionally, CSD Water Service has agreed to assume 30% of the actual debt incurred by Henan Water Conservancy Investment Group in fulfilling its guarantee responsibility as a counter-guarantee.