Ningbo Ding Yu Technology located in Ning Hai , Ningbo City ,China. About 120KM to Ningbo Port and less than 300KM to Shanghai Pudong international airport. We were the first in China to imitation and manufacture of stove fan since 2012 and decide registered as Dingyu company in 2020. In the last past eight years we only manufacture and develop stove fan and intend to keep this way. Our stove fan are designed to enhance the warmth and comfort delivered from your wood stove without the use of electricity or batteries.Whether you use a wood stove leisurely or as a primary heat source, here are just some of the benefits youll experience by using Dingyu stove fan Circulate warm air throughout the house 35% faster, enhancing heat distribution and minimising cold corners. Save up to 16% on fuel costs from maximised wood burning efficiency. Reduce environmental footprint with fewer particulate and carbon emissions.