Weifang ensign industry co. Ltd. Former name weifang huiyuan industry Co., ltd. Was initially founded in august,1997 and changed name in dec 2005. It is a privately-owned manufacturer of citric acid and edible alcohol with sweet potato chips, tapioca chips or corn as materials. The company covers an area of 28 thousand square meters with a 10,000kw thermal power factory. It has 1100 staff and possesses total assets of 420 million rmb yuan including fix assets of 250 million rmb yuan. It's one of the key manufactuers of citric acid monohydrate and edible alcohol in China with the annual output more than 60 thousand tons of citric acid mono and 70 thousand tons of edible alcohol. The company passes iso9001 quality system and iso14001 environmental system and has exported to more than 70 countries and enjoy a good reputation in the world market. We take much interest in establishing long-term