Zhejiang Shengda Pharmaceutical Co., Ltd., established in 1999, is a leading producer of food and feed additives, particularly focusing on vitamins like biotin and folic acid, as well as biological preservatives such as nisin and natamycin. The company adheres to international standards including GMP, ISO22000, BRC, and OHSAS18001, ensuring high-quality production. Shengda operates a high-tech R&D center and collaborates with prestigious institutions. Their subsidiary, Silver-Elephant Bio-engineering, is a global leader in producing nisin and natamycin.