Qingdao D Refrigeration and Air Conditioning Co., Ltd. established in 1999, its predecessor, the Department of Refrigeration and Air Conditioning Institute of Qingdao University, is a set of industry and trade in high-tech enterprises. Qingdao Haier Group is currently supporting the joint venture compact, Qingdao Hisense Group's long term partner, mainly in the development and manufacture of refrigeration and air conditioning equipment, cold storage air-conditioning engineering, installation and non-standard refrigeration equipment manufacturing business. 
 The company has high-quality three-dimensional design professionals and installation team, strong technical force. Company has a strict organizational structure, refinement of the personnel division, strict management system, perfect quality assurance system. The company has a number of mature technologies, such as a drag multi-technology, high efficiency heat exchanger with enhanced heat transfer technology, energy-efficient refrigerator control, parallel units, precision temperature and humidity control and low-noise technologies. Company according to the specific requirements of different users to personalize the design, make up a large group can only be standardized model of lack of high-volume, real 100% to customer satisfaction. 
 The company's main product series of refrigeration and air conditioning components and control components adopt imported famous brand, designed by the company's technical staff, advanced production technology with modern processing, with high efficiency, high reliability features, similar products and prices remain the lowest. 
 As the company has always insisted on "honesty" principle, real materials products, cheap, won the trust of customers. In recent years, successfully completed a number of freezers, refrigerators, air-conditioning installation and engineering research and development of non-standard equipment, are highly valued by users. 
 We will adhere to the scientific and technological innovation to drive industrial development business model, take the "high standard, high-efficiency" of development. We are willing to work with you to create a healthy, environmentally friendly world.