Qingdao Langyatai(Group)Co.,Ltd is the largest itaconic acid manufacturer in China currently.The capacity is 4500 metric tons annually and the purity is 99.5% min. The company has the most advanced equipment and technology. Both of the product quality and the quality system are certified by ISO9002. Based on the superior and consistent quality, the product has been exported to Japan, United States and other countries for two years successfully. And we have established a long-term business relationship with Dow and Basf etc.
We also supply Itaconic Anhydride (C5H4O3) , Dimethyl Itaconate (C7H10O4),  L(+)--Tartaric Acid,L-Threonine, Succinic Acid,Phytic Acid,Norvancomycin,cider, vinegar and so on.