... manufacturing,hot conversion efficiency high,the service life is long.3,overall high-density foam, heat preservation effect is good ... : - 18 °C ~ - 5 °C8,cold storage temperature adjustment range: - 3 °C ~ - 10 °CVertical display features:1,configuration high-quality compressor ... , hot conversion efficiency high, the service life is long.3,overall high-density foam, heat preservation effect is good, ...