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頓漢*冷凍設備(美國)有限公司  

      成立于美國特拉華州紐瓦克市的頓漢*冷凍設備(美國)有限公司，歷經多年的發展，美國頓漢*公司的產品及服務現已覆蓋包括暖通空調、工業冷凍等設備制造以及相應產品系統集成控制領域；一系列過程均符合目前世界上*的質量體系。美國頓漢*公司革命性地將離心機技術和螺桿技術引入空調制冷領域，由于它的高效可靠性，雄居之巔。     
     美國頓漢*的研發制造和網絡也遍及北美、歐洲、中東和亞太等120多個國家和地區。至今，頓漢*已經發展為規模的暖通空調制冷設備制造商之一。
     美國頓漢*冷凍在中國上海和中國南京設立研發中心和制造基地，產品線覆蓋離心機組，螺桿機組，風冷熱泵機組，水地源熱泵機組，直流變頻機組，單元機組，空氣處理機組，醫療凈化機組等、低溫冷凍機組、冷卻塔等；快捷迅速的售前技術支持和售后服務網絡覆蓋中國的主要城市和地區，24小時直通服務保障。

    Usa Dunham Bush Refrigeration Equipment Inc, established in Delaware, USA. After years of development, its products and services are now covered many areas, including HVAC, industrial refrigeration and other equipment manufacturing and the corresponding Product systems integration control areas; A series of processes are in line with the world's most advanced quality system. Also, the centrifugal and screw technology has been introduced into air conditioning refrigeration area, and as for the high efficient and reliability, it is on the top of World’s technology in this area.

  Also, its R & D, manufacturing, sales and service networks has spread all overmore than 120 countries and regions, such as North America, Europe, Middle East and Asia Pacific. So far, it has developed into one of the world's largest manufacturer applied in HVAC industry.

    Usa Dunham Bush has set the R&D and production base in Shanghai and Nanjing. The products includes centrifugal chillers, screw chillers, air-cooled heat pump units, water source heat pump units, DC variable frequency units, air conditioning units, air handling units, medical purification units, low temperature chillers, cooling tower, etc. It can provide 24-hour security services for customers by rapid and high efficient pre-sales technical support and a wide range of after-sales services network.