HangZhou Regin Bio-Tech Co., Ltd.was founded in 1989,which is a specialized manufacturer of tartaric acid and tartrates series products.These products are widely used in many fields such as food, pharmaceutical and chemical industries, and are well accepted by the domestic and overseas markets. The company owns a high-quality, strong ability and rich-experienced technical team. With advanced production facilities, complete testing instruments, our products are meeting international standards an...