Dezhou Dadong Machinery Co., Ltd. (DDJX), founded in 2003, specializes in the design and manufacture of spiral duct forming machines, corrugated metal pipe machines, and other equipment for producing air ducts and fittings widely used in the HVAC, ventilation, and environmental industries.
Mexican customer visited our factory for spiral duct machine acceptance.
American customer purchased spiral duct machine.
Large corrugated metal pipe machine is used to produce...
Australian customer visited our factory for spiral corrugated metal...
Dezhou Dadong Machinery Co., Ltd. (DDJX) was founded in 2003 and is a professional enterprise specializing in the production of metal spiral duct manufacturing equipment. The key industries served include filtration, ventilation, dust removal, environmental protection, and construction. We are rooted in Dezhou, Shandong Province—a renowned center for "machine tool accessories, fans, valves, and HVAC components" in China—which provides strong supply chain support and specialized technical talent resources.
