Zhejiang Commercial Machinery Factory Co., Ltd. was established in 1970. It is a national high-tech enterprise and a patent pilot enterprise. It has the highest authoritative certification in the domestic refrigeration industry, CRAA certification, and ship product type approval from the National Fisheries Ship Inspection Bureau. It is also the drafting unit of the "Refrigeration System for Small and Medium sized Cold Storage" standard by the China Refrigeration and Air Conditioning Industry Association. For over 50 years, Zhejiang Commercial Machinery has been focusing on the environmental refrigeration industry, taking a specialized development path and gradually forming a three-dimensional industrial matrix represented by environmentally friendly refrigeration compressor units, based on engineering construction, and centered on industrial IoT energy-saving system solutions. Excellent quality, service, and constantly innovative technology have won continuous recognition from consumers and the industry. 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, and Africa.