SF Cold Chain is the service brand of SF Express, specializing in the transportation of frozen products. SF Cold Chain provides professional cold chain logistics solutions to ensure that frozen products maintain appropriate temperature and quality during transportation. They have advanced cold chain equipment, storage facilities and transport vehicles, equipped with temperature monitoring system and refrigeration preservation technology, which can meet the transport needs of different frozen products. The service scope of SF cold chain includes refrigeration, freezing and cryogenic products, covering many industries such as food, medicine and biological products. They ensure the freshness and safety of frozen products during transportation through strict temperature control procedures and safety measures.