Sanhe Tongfei Refrigeration Co., Ltd., founded in 2001, is a listed company in Shenzhen Stock Exchange gem (Stock referred to as "Tongfei Stock", stock code: 300990). Focusing on the technological innovation and professional development of industrial temperature control and Industrial temperature control equipment research and development, production, sales and service. Tongfei is a leading comprehensive solution service provider of industrial temperature control in China. Providing professional temperature control products and temperature control overall solution for Numerical control equipment, energy storage, power electronics, semiconductors, data centers, hydrogen energy, new energy vehicles (charging and battery swapping), medical devices, etc, and constantly expanding the road of industrial development.