Zhejiang Commercial Machinery Factory Co., Ltd. (formerly a subsidiary of the Ministry of Commerce) was established in 1970 and is a national high-tech enterprise and patent pilot enterprise. It has the highest authoritative certification in the domestic refrigeration industry,CRAA certification, and the type approval of marine products by the National Fisheries and Ship Inspection Bureau. It is also the drafting unit of the "Refrigeration System for Small and Medium sized Cold Storage" standard issued by the China Refrigeration and Air Conditioning Industry Association. For more than 50 years, Zhejiang Commercial Machinery Factory Co., Ltd. has been focusing on the envirorunental refrigeration industry, following a professional development path, committed to building four major industrial clusters: general manufacturing,engineering construction, energy-saving systems, and IoT platforms, forming a comprehensive service link. With advanced research and development design, excellent product quality, and envirorunentally friendly solutions, it has established a leading position in the industry. Faced with the arrival of the industrial Internet of Things era, Zhejiang Commercial Machinery has followed the trend of the times,devoted itself to researching industrial digitization and intelligent transformation, actively playing the role of enterprise high-tech research and development centers, providing core technical support for industry progress and era development, and gradually forming a threedimensional industrial matrix based on envirorunentally friendly high-end refrigeration and compression units, engineering construction as guarantee, and industrial Internet of Things energy-saving system solutions as the core. Excellent quality, service, and continuously innovative technology have won continuous recognition from consumers and the industry. At the same time, with the approval of the United Nations Environment Programme and the State Envirorunental Protection Administration, Zhejiang Commercial Machinery has received grants from the United Nations World Bank’s "ODS" and "R32" projects,successfully carrying out the "ODS" refrigeration compressor replacement and renovation project and the R32 environmental refrigerant renovation project. It has received unanimous praise from the expert acceptance team of the United Nations World Bank and the State Environmental Protection Administration, and is hailed as a model for the implementation of "ODS" and "R32" renovation projects in China. At present, there are over 80 offices and after-sales service outlets both domestically and internationally, with products covering international markets such as Asia, Europe, Africa, Oceania, and the Americas.