We,Zhejiang Shengda Bio-pharm Co.,Ltd(SDM) is a company which focus on Vitamin B series industry,we have experiences of manufacturing D-Biotin for almost twenty years.We are specialized in research and production of food and feed additives,our main products are D-Biotin(VB7),Folic Acid(VB9),Riboflavin(VB2),Clarified LBG,Xanthan Gum,Miconazole Nitrate(API with GMP).Our reliable cooperation partners spread all over the world,most of them are very famous companies in agricultural,food handling and pharmaceutical industries.As a devepling Int'l sales,I'm in charge of Asia-Pacific market in our company.If you are interested in our products,plz let me know.