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Metallurgical Coal Products refers to processed coal materials used primarily in steelmaking and industrial manufacturing applications. Producers in this segment supply high-grade coking coal, pulverized coal injection products, and related carbon materials essential for blast furnace operations, metal production efficiency, and global infrastructure development, supporting the steel, energy, and heavy industrial sectors worldwide.


Joffrion grew up in Houston, Texas, and has been part of the Chamberlin family for over eight years. In 2017, he was exploring new career opportunities and discovered a role at Chamberlin that introduced him to the roofing and waterproofing industry—an area he had no previous experience in. Since then, he has worked his way up to become the Quality Control Director for the company’s roofing, waterproofing, and service departments.