• December 27, 2025
Ultra-fine coal

Ultra-fine coal occupies a unique niche within the global coal supply chain: it is both a by-product of mining and preparation and a deliberately produced feedstock for specific industrial applications.…

  • November 30, 2025
Sub-bituminous coal

Sub-bituminous coal is an intermediate rank of coal that bridges the gap between lignite and bituminous coal. It plays a crucial role in modern energy systems, particularly in power generation,…