SANHE TONGFEI TEFRIGERATION CO., LTD. (SHE: 300990, "TONGFEI Shares"), founded in 2001 and listed on the Shenzhen Stock Exchange ChiNext Board, is an enterprise recognized with numerous honors. It is a Green Factory designated by the Ministry of Industry and Information Technology (MIIT), a National Advanced Collective in the Industrial and Informatization System, a National Model Case for Quality Improvement and Brand Building, and an Outstanding Case in the Fourth Batch of National Healthy Enterprise Construction. At the provincial level, it is a Hebei Province Technology Leader Enterprise and a Hebei Province Characteristic Industrial Cluster Frontrunner.

The company has established several provincial and municipal R&D platforms, including the Hebei Industrial Refrigeration Equipment Industry Technology Research Institute, the Hebei Industrial Refrigeration Equipment Technology Innovation Center, and the Advanced Energy Storage Equipment Thermal Management System Hebei Engineering Research Center. These platforms have facilitated the transformation and application of numerous scientific and technological achievements at the provincial and municipal levels.

Expanding its global presence, TONGFEI established its wholly-owned subsidiary ATF Kühlung GmbH in Germany in 2017, opened its Beijing Branch in 2019, established a Singapore subsidiary in 2025, and is building a production base in Thailand.

The company's manufacturing facilities, namely the Precision Intelligent Temperature Control Equipment Project Plant, the Intelligent Fluid Control Equipment Project Plant, and the Energy Storage Thermal Management System Project Plant, are all operational. These three project sites are adjacent to each other, covering a total area of over 300 mu (approximately 50 acres).

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. It has formed four major product series, a liquid thermostat equipment, electric box thermostat, pure water cooling units and special heat exchangers. 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.

Since the company began to expand overseas markets in 2009, under the guidance of the company's global market strategic layout, it has established after-sales service network in North America, Europe, Japan and South Korea, Southeast Asia, Australia and other places It has become a strategic partner of many well-known enterprises in China and abroad.

Main cooperative customers: Haitian Precision, Neway CNC, EMAG Group (EMAG), Zhejiang HEADMAN, Nidec, Raycus Fiber Laser, Hymson; CATL, SUNGROW, CRRC, CALB; Sieyuan Electric, SIFANG, FGI, TBEA, XJ Electric; GEEZIR Energy, BOZHON; Naura, CFMEE, Jingsheng Mechanical & Electrical, Hwatsing Technology, Shanghai Micro Electronics Equipment, CETC 48, LINTON and so on.

The company has always been adhering to the corporate mission of creating value for customers, creating benefits for the company, creating a happy life for employees, and making life full of positive energy, adhering to the leadership of science and technology and innovation, continuously increasing R&D investment, deepening the construction of digital smart factories, keeping up with industry demand, and providing more customers with efficient, stable and environmentally friendly temperature control products and solutions. In the future, TONGFEI will quickly consolidate the energy storage temperature control business capacity and continue to grow stronger, do refined in medium and high-end equipment manufacturing temperature control business, strengthen power electronic device temperature control business, vigorously expand semiconductor processing equipment temperature control business, actively promote data center liquid cooling business, continue to track hydrogen energy temperature control business, and strengthen international market expansion. Gather elites, create high-quality products, deeply cultivate the main business, and make unremitting efforts.