LAVFILL has been going through years specialized in researching,designing,manufacturing domestic fan since 1999, cooperating with top research institute and testing institute years to keep improving and optimizing the product performance and carry out lifespan testings. All the manufacture processes comply with ISO9001 guidelines, the products conform? to? EESS、CB、TUV、CE、RoHS、SEC、GCC、CCCstandards,becoming top smart domestic fan supplier in China , he has grown up over 20 years in overseas market , prevails in Europe ,? South America, Oceania, winning worldwide high reputations and trusts in excellent quality and service!