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Duct Making Machines for HVAC fabricators and contractors, covering cutting, bending, seam locking and assembly lines with OEM/ODM support.
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China Loong Building Material Machine Co., Ltd. manufactures and supplies building material, concrete, brick, block, mortar, gypsum, and material handling machinery. We provide equipment selection, production line configuration, OEM, ODM, and customized solutions for contractors, producers, distributors, and project companies.