> Qiyun series-1 > Qiyun series-2 > Oriental saint water-1 > Qianyi tiger series > 999.8QQ running water series > Air source water heater series > Split pressure series   >> Collector     >> Sealed inside      >> the barrel      >> Outer barrel      >> The launching     All seal part adopted the imported material, while the seal loop adopted the 700 thousand molecule food grade silicon rubber which is very elastic, good seal, and anti-aging, meeting the food sanity demand. Fan shroud adopted anti-UV function imported EPDM material, to boost the anti-aging.