... life, safety and hygiene and so on.2, This water cooler adopts heating and auto temperature control system, works at high ... used in a variety of public places.5, This water cooler has thermal isolation technology to eliminate the phenomenon of string ... On-Off power switch16L cabinet or fridge: Inner copper pipesClassic water cooler: Stainless steel tankBrand Name: HUANA,Xingwangzhixing,BESTLUOZI or OEM ...