Group 1 - The company in Tongren City, Guizhou, has developed a two-stage roasting activation technology for the resource utilization of electrolytic manganese slag, transforming waste into valuable materials such as cement additives and roadbed materials [1] - The company has processed a total of 63,375 tons of manganese slag, producing approximately 46,000 tons of harmless manganese slag, successfully exploring a path for harmless treatment and resource utilization of manganese slag [1] - Tongren City is a significant manganese production base in China, with proven manganese ore reserves of about 800 million tons, and has been addressing environmental pollution caused by traditional slag disposal methods [1] Group 2 - In the Dalong Economic Development Zone, a new functional materials company processes sulfurized manganese slag to extract valuable metals like nickel, cobalt, and manganese, creating a circular economy by using waste as production materials for cement [3] - The Dalong Economic Development Zone has attracted multiple new functional materials companies, forming an upstream and downstream processing industrial chain for manganese-based new materials, with products being exported to countries like South Korea, Japan, and Europe [3] - The new functional materials industry cluster in Tongren has been recognized as one of the first 66 national strategic emerging industry clusters, with a reported industrial output value of 7.93 billion yuan in Q1 2025, reflecting a year-on-year growth of 14.6% [3] Group 3 - Guizhou Province ranks among the top 10 in China for mineral resource reserves, including coal, phosphorus, aluminum, and manganese, and has established a resource-based industrial foundation focusing on new energy battery materials and related sectors [4] - In Q1 2025, Guizhou's industrial added value above designated size grew by 10.3%, surpassing the national average, with significant growth in the automotive manufacturing sector, particularly in new energy vehicles [4] - The province is transitioning from a "resource-rich" area to an "industrial highland" by strengthening and innovating emerging industries, with substantial growth in the new energy battery and materials sector [4]