New environment-friendly hydrocarbon (mixture of alkanes) refrigerant HCR series, to replace the traditional HCFC refrigerant R12 (freon) and fluorine refrigerant R134.

• 新型环保碳氢（混合烷烃）制冷剂HCR系列，取代传统制冷剂氟氯烃R12(氟利昂)和含氟制冷剂R134。