中国海诚：公司近三年环保工程领域发展保持平稳态势

Group 1 - The core viewpoint of the article highlights that China Haicheng (002116) has maintained a stable development in the environmental engineering sector over the past three years [1] - In the first half of this year, the company achieved significant project signings in various sub-sectors, including municipal solid waste power generation, lithium battery recycling, and industrial wastewater treatment [1]