Dingxin Holdings Co., Ltd. is a Cayman Islands company incorporated on January 6, 2022. As a holding company with no substantive operations of its own, it conducts business in China through its subsidiary, Shandong Dingxin Ecological Environment Co., Ltd. ("Dingxin Ecology"). Based in Yantai, Shandong and affiliated with Shandong Dingxin Technology Group, Dingxin Ecology is a technology-oriented company specializing in the treatment and resource utilization of "four wastes" (wastewater, waste heat, waste gas, and waste residue) in the energy conservation and emission reduction sector. Its business scope includes protein wastewater treatment, river ecological restoration, rural sewage treatment, black and odorous water body remediation, urban road dust suppression, solid waste resource disposal, sponge city rainwater utilization, new energy technology development, contract energy management services, and engineering design, contracting, and investment operations.