DB23/T 3625.6-2023 The Evaluation Guide for the Construction of a Double Prevention Mechanism in Metallic and Non-Metallic Mining Enterprises - Part 6: Mining Plants for Refining Ores

DB23/T 3625.1-2023 Metal and non-metal mining dual prevention mechanism construction evaluation guidebook Part 1: General rules DB23/T 3625.2-2023 Guidelines for the Construction of a Dual Prevention Mechanism for Metal Non-metallic Mineral Mines Part 2: Underground Mines DB23/T 3625.3-2023 Guidelines for the Construction of a Dual Prevention Mechanism for Metal and Non-metal Mining Enterprises Part 3: Open-pit Mines DB23/T 3625.4-2023 The Guidelines for Building and Evaluation of the Dual Prevention Mechanism for Metal Non-metallic Mineral Depresses Part 4: Tailings Pools DB23/T 3625.5-2023 Metal and Non-Metal Mineral Mine Double Prevention Mechanism Construction Evaluation Guide Part 5: Small Open-pit Mining Sites DB23/T 3625.7-2023 Guidelines for the Construction of a Dual Prevention Mechanism for Metal and Non-metal Mining Enterprises Part 7: Excavation and Construction Contractors DB23/T 3625.8-2023 Guidelines for the Construction of a Dual Prevention Mechanism for Metal and Non-metal Mining Sites Part 8: Geological Exploration Units