Shanghai Huihui Refrigeration Co., Ltd. is a comprehensive enterprise that has established academic exchanges with universities and invited professors to conduct technical discussions and research on its products. We have established cooperative relationships with compressor manufacturers such as Gulun, Daikin, Danfoss, Bizer, Hanzhong, and Fusheng in the United States, and have worked closely with German Siemens, controller manufacturer CAREL in Italy, and refrigeration parts manufacturer DANFOSS in Denmark. Strong technical support supports the high quality of products, and strong cooperation is essential. Quality depends on strong technical support and standardized operating procedures. Having production and testing equipment: multiple assembly production lines for large and small units; Heat exchanger assembly line; Large scale spray painting and spraying production line; CNC computer numerical control machining center; Professional processing technology for CNC punching machines, bending equipment, and heat exchanger production equipment; Large scale air-cooled and water-cooled chiller testing center; The company strictly adheres to ISO9001:2000 to provide strong guarantees for achieving high-quality products.