Anhui Yangzi Air Conditioning Co., Ltd. was established in 1988 and has over three decades of continuous market service capability. PRIMST is a brand under Yangzi Air Conditioning, specializing in refrigeration and freezing, household air conditioners, central air conditioning, air-source heating, specialized air conditioning equipment, smart home systems, intelligent control, HVAC refrigeration components, and other product series. The company has long focused on food preservation, artificial environment engineering research, and comfort technology research, committed to creating a new, high-quality lifestyle for consumers.

The company is now focusing on the new field of frozen and refrigerated products, offering a full range of AI variable frequency systems covering temperatures from -50°C to 40°C. It specializes in addressing the industry's pain points of "non-standardized small-batch production," providing users with comprehensive system solutions from design to after-sales service through a standardized model.