Baofeng special develop , two side design （round chamber）,high speed ,high effciency ,large amount of evaporation ,save more cleaning time for production,capacity increased by 50%,good uniformity ,no spatter ,no pinhole,high firmnees of the AL metallizing layer,

STRUCTURE:rectangular vacuum chamber or round vacuum chamber,free  span design or drum design .

USAGES：Metallic yarn film ,Gold thread film,High barrier packaging meterials

VACUUM SYSTEM: Frequency conversion speed regulation ,roots pump group oil free pumping system .pump faster ,energy saveing smoothly running in any climate with super coldtrap .