Established in 1989, Ninghai Organic Chemical Factory is located in Beilun harbor in Ningbo city (a beautiful harbor city in Zhejiang province). Beilun harbor is well-known as the "crown of ports" in China. The company initated ' L+ tartaric acid' in China by 1999. It is the earliest hi-tech corporation in Ningbo city. The company adopting the leading technology to produce tartaric acid serial products, which are widely used in food, pharmaceuticals, chemicals and building material ind...