Zhengzhou Coal Mining Machinery (Group) Co., Ltd manufactures underground coal-mining equipment, including hydraulic supports, complete intelligent longwall equipment, scraper conveyors, and shearer machines. Its stated capabilities include intelligent monitoring and control, robotic welding, plasma cutting, laser cladding, and complete equipment supply for longwall and top-coal-caving mining faces.
ISO 9001 Quality Management System
certification
ISO 3834-2 International Welding Quality System
certification
ISO 14001 Environmental Management System
certification
ISO 45001 Occupational Health and Safety Management System
certification
HBT GroupFounded in 2023 from the long-running Hauhinco, DBT and Caterpillar mining-technology lineage, HBT Group manufactures integrated equipment and electrical systems for underground coal mining and tunneling. Based in Lünen, Germany, the company carries nearly 200 years of mechanized longwall experience into a global business, including a specialty in plow systems designed in-house since 1941. HBT supports its machines through in-house research, design, manufacturing and a worldwide aftermarket network.EVANS CITY, PA
Highland IndustriesSince 1988, Highland Industries has built and rebuilt underground mining equipment in Oak Hill, West Virginia, turning its beginnings as a mine-equipment rebuild facility into an OEM manufacturer. Its frames and machinery are designed for rugged mining conditions, backed by a 43,200-square-foot shop and a parts operation with thousands of stocked items. Highland also reconditions surplus equipment and provides repair, field service, and engineering support.OAK HILL, WV
J.H. Fletcher & CoRooted in Huntington since 1937, J.H. Fletcher & Co. has built its identity around solving difficult underground mining problems through custom engineering and manufacturing. Its work now extends beyond mining through a division created in 2016, while the company continues to design equipment for mine operators and support it throughout its working life.HUNTINGTON, WV
Cincinnati Mine Machinery CompanyFounded in the early 1920s and acquired by Edwin P. Stenger in 1924, Cincinnati Mine Machinery Company makes cutting and conveying equipment for underground mining. The Cincinnati manufacturer built its early reputation on forged cutter chains and patented the Duplex Chain in 1938, while later innovations included the dual-sprocket conveyor chain introduced in 2000. From its Cincinnati base, the company serves coal, salt, potash, gypsum and trona operations through a network that includes 15 strategically located warehouses.CINCINNATI, OH