Times DingFeng has been established since 1973.two generations have researched a lot on brewing vinegar which has thousand years history in seasoning technology. By 2012, it achieved 11 intellectual property right in People's Republic of China,For high efficiency, high yield and high quality in the development popularization of vinegar equipment,it makes outstanding contributions,especially in terms of different materials.In addition to alcohol vinegar, it has a mature technology in fruit juice vinegar and grain vinegar.Acidity is 9%-20%.