Qingdao Sanwei Refrigeration and Air Conditioning Co., Ltd. was established in 1999. Its predecessor was the Refrigeration and Air Conditioning Research Institute of Qingdao University. It is a high-tech enterprise integrating industry and trade. At present, it is a close supporting joint venture of Qingdao Haier Group and a long-term partner of Qingdao Hisense Group. It mainly develops and manufactures refrigeration and air-conditioning equipment, cold storage air-conditioning engineering installation, and non-standard refrigeration equipment production and other businesses.

Three-dimensional company has high-quality professional designers and engineering installation team, strong technical force. The company has a strict organizational structure, refined personnel division of labor, strict management system, and perfect quality assurance system. At the same time, the company has a number of mature technologies, such as one-to-multiple technology, high-efficiency heat exchange and enhanced heat exchange technology, energy-saving control of refrigerators, parallel unit technology, precision temperature and humidity control and low noise technology, etc. The company can carry out personalized design according to the specific requirements of different users, which makes up for the deficiency that large group companies can only carry out standardized large-scale models, and truly 100% satisfy users.

The main components and control parts of the company's series of refrigeration and air-conditioning products are imported famous brand products, which are carefully designed by the company's technicians and processed with modern advanced production technology. They have the characteristics of high efficiency, energy saving, high reliability, and the price is kept lower than similar products .
As the company has always adhered to the "sincerity-oriented" principle, the products are genuine, cheap and high-quality, and have won the trust of the majority of users. In recent years, we have successfully completed the installation of several freezers, freezers, and air-conditioning projects and the research and development of non-standard equipment, all of which have been highly praised by users.
We will adhere to the business model of driving industrialization development with scientific and technological innovation, and take the development road of "high starting point, high standard and high efficiency". We are willing to join hands with you to create a healthy and environmentally friendly world.