At the beginning of September 2021, East China Engineering Science and Technology Co., Ltd. and Chizhou Jinneng Thermal Supply Co., Ltd. signed a contract for the design, procurement, construction and operation of sewage treatment plant Phase 2 and its supporting sewage pipe network of Chizhou Electronic Information Industrial Park. The project is the company’s first government investment project using the “EPC + O” service mode, which marks a new breakthrough in the field of industrial environmental protection printed circuit board (PCB) sewage treatment.