Qinigzhou Chunhua Qiushi Agricultural and Animal Husbandry Machinery Co.,Ltd.is located in Qingzhou, one of the ancient "Jiuzhou",with outstanding people and convenient transportation. Our company is committed to the R&D, production and sales of automatic grain storage system and automatic  ventilation system .the main products are:three-layer insulation tower series, fan,wet curtain ,feed line feedtank ,dosing device and other breeding equipment .    Th···