Many employees of the company are engineers with qualification certificates for cleaner production audit in the field of ecological environment. Relevant principals were shortlisted in the cleaner production audit expert database of Hainan Provincial Department of ecological environment in 2020. From October 19 to 23, 2021, they were members of the expert group to review the projects of 8 mandatory cleaner production audit enterprises in Hainan Province and guide the cleaner production audit of enterprises, including papermaking, mining, etc
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