Ningbo Heng Refrigeration Control Co., Ltd. is located in Xikou Fenghua Ningbo City, Zhejiang Industrial Park, formerly known as Zhejiang Fenghua Sanshi Solenoid Valve Factory, after decades of development, has formed a set of refrigerating auto device independent research and development, production, sales and feed export trade in an integrated company. ??In the development of the company for decades, we have a practice of experienced professional refrigeration technology team, autonomy developed for welding lines and unique testing equipment, and mastered the art of filling technology, while companies focus on improving product quality and stability, sustained investment to introduce a variety of high-tech equipment, high-precision CNC lathes and machining complete automated assembly lines and other production equipment, can strictly control product consistency and stability. In 2002 the company passed ISO9001: 2000 international quality system certification, all kinds of products have obtained CCC, CQC, CE certification, some products have passed RoHS testing. ??Long for the Oaks, and other domestic and foreign manufacturers support. Production of small refrigeration FDF solenoid valve majority of customers of all ages, SHF new series of solenoid valves on the basis of conventional solenoid valve on the refrigeration improvements, to overcome the shortcomings of traditional refrigeration solenoid valve design, to make it better adapt to the new refrigerant work environment more stable.