In the global air conditioning and refrigeration industry, efficient, safe and widely compatible refrigerants are the core of the successful operation of the system. R134a (1,1,1,2-tetrafluoroethane) is a mature hydrofluorocarbon (HFC) refrigerant. Since its launch, it has become the preferred solution for many key application areas. This article will introduce the core applications, significant advantages, key equipment and precautions of R134a in detail, providing comprehensive reference information for industry professionals. Partners with import needs are welcome to inquire.