东江环保(002672.SZ)：目前没有电解金属锰业务

Group 1 - The company, Dongjiang Environmental Protection (002672.SZ), primarily produces resource-based products such as copper sulfate, basic copper chloride, and copper oxide [1] - The company also manufactures precious metal products including refined bismuth, crude silver, refined tellurium, and antimony oxide [1] - Currently, the company does not engage in the business of electrolytic metal manganese [1]