The group implements the theory of "green water and green mountains are golden mountains and silver mountains", implements the environmental protection concept of "companies do not eliminate pollution, pollution will eliminate enterprises", and vigorously carry out industrial "three wastes" treatment actions. Environmental protection projects such as the harmless treatment of wet gold smelting waste residues, advanced treatment of wastewater, and environmental protection of flue gas have been completed, and the level of green development has been further improved. Fourth, the industry carrier has become more solid, and the development of specialized agglomeration has achieved initial results. Muping Hengbang Chemical Industrial Park is one of the first batch of chemical parks in Shandong Province and Yantai City to be certified. It lays the foundation for the group's sustainable, healthy and stable development in the future, builds a higher platform, and wins a broader space for development.