We are manurfacturer (factory) of portable rechargeable blender,Exactly speaking,we are the inventor of this product,we inveted in 2015.and others followed us.Our blenders approved series of certificates,such as FDA,LFGB,EMC,CE ...and complex Design patent by ourselves.Some brands with us on OEM service:Patriot from USA,AIWA from Japan,Rexhaan from South Korea....