南矿集团：公司主要采用“EPC+O”（设计采购施工+运营）及参股合作等模式构建长期合作关系

Group 1 - The company primarily adopts the "EPC+O" (Engineering, Procurement, Construction + Operation) model and equity cooperation to engage in project investment, equipment supply, and intelligent operation and maintenance [1] - This model helps enhance project stickiness and drives equipment sales and after-market service revenue [1]