顿汉*冷冻设备(美国)有限公司  

      成立于美国特拉华州纽瓦克市的顿汉*冷冻设备(美国)有限公司，历经多年的发展，美国顿汉*公司的产品及服务现已覆盖包括暖通空调、工业冷冻等设备制造以及相应产品系统集成控制领域；一系列过程均符合目前世界上*的质量体系。美国顿汉*公司革命性地将离心机技术和螺杆技术引入空调制冷领域，由于它的高效可靠性，雄居之巅。     
     美国顿汉*的研发制造和网络也遍及北美、欧洲、中东和亚太等120多个国家和地区。至今，顿汉*已经发展为规模的暖通空调制冷设备制造商之一。
     美国顿汉*冷冻在中国上海和中国南京设立研发中心和制造基地，产品线覆盖离心机组，螺杆机组，风冷热泵机组，水地源热泵机组，直流变频机组，单元机组，空气处理机组，医疗净化机组等、低温冷冻机组、冷却塔等；快捷迅速的售前技术支持和售后服务网络覆盖中国的主要城市和地区，24小时直通服务保障。

    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.