In order to satisfy the need of installing space in ventilation system, using oval ducts is a good choise. This machine can expand round ducts to oval ones.
Dezhou Dadong Machinery Co., Ltd. Was set up in 2003. We are a professional company that produces and sells pipe making equipments and pipe fittings for percolation, ventilation, dust removal, environment protection, and building industries. Our company is located in the Xinhua Industrial Park of Dezhou, covering about four thousand square meters. We have dozens of metal processing equipment and numerical control EDM equipment, and have the ability of manufacturing special equipments.