Dezhou Dadong Machinery CO.,LTD. established in 2003 , locating in Xinhua economic development zone. We are a professional manufacturing and processing company of pipe making machines and pipe fittings in filter, ventilation, dust removal, environment protection, construction and so on. In 2012, With the company grows, we established branch company in Pingyuan economic development zone in Dezhou, built a 6,0000-square-meter new plant, include near 30000 m2 workshops and 900 m2 office building. In 2016, the branch company start production formally. Now we have 50 staffs, 28 of them are undergraduate, 21 people are high-level professionals. In addition, the company brought in some the most advanced machining equipments. Like two large gantry machining center, two four-axis machining center, one 3KW laser cutting machine, several digital controlled lathe, digital controlled grinding machine, boring mill and so on. These machines satified the high precision requirement in production, meanwhile greatly increased production efficiency. This perfected our research and development ability. For years we focus on production and research in metal spiral duct making machines, and gained many patents. Our products were sold over the domestic and foreign markets,and were well received by users. Our large metal corrugated spiral duct machine was used in national large-scale projects. Such as sand pile construction in Hong Kong-Zhuhai-Macao Bridge project; wind-power foundation pit construction; urban drainage and pollution discharge construction in WEIHAI bonded area. In 2008, we developed import-export business,and sold our products to the USA, Israel, Russia, Canada, Australia, Vietnam, Turkey, Malaysia etc. The company proposed open, cooperation, win-win business philosophy. Build good and long-term relation with customers. In the future ,our company will adhere to the purpose that society ,nature and resource develop harmoniously. Promote the value pursuit of innovation , quality, integrity , service, economy,dedication and gratitude. we will seek mutual development between our company and society, to become a professional and reliant enterprise.