Our company is located in Zhejiang Jinhua Lanxi city ,It's close to Shanghai,Yiwu,Ningbo city.we enjoy advantage location.we are a manufacture which specialized in D-tartaric acid.our products are requied by domeistic and abroad .since high quality and good servieces ,we have won unanimous high opinion of customers.the optical purity of our products is up to 99%.we have sixty enployees at present including 5 advisors.the factory has advanced equipment.strong technical force and high production capacity.