Established in 1993, Zhejiang University Sunny Nutrition Technology Co.,Ltd is a state-level high-tech manufacturer specialized in the field of animal health/nutrition products. It has three production bases separately know as Jiangshu Sel-Biochem Co.,Ltd, Xinjiang Tianfu Sunny Biotechnology Co., Ltd as well as Huzhou Sunny Feed Additive Manufacturing Co.,ltd. "Serving Global Animal Health Industry" is the core mission of our company. In 2008, Sunny Nutrition became the first Chinese Tiamulin producer to get DMF filed in FDA, in 2010 became the only one to get EU-GMP approved, in 2011 became the first Australia GMP approved Chinese manufacturer for Tiamulin & Bambermycin, and in 2012 became the firstly and only API Tiamulin Hydrogen Fumarate manufacturer who got EU GMP certificate and COS/CEP in China. Our main products including: Colistin sulfate pure, 10% premix Tiamulin Hydrogen Fumarate 10%, 80%, 98% Flavomycin/Bambermycins 4%,8% Cysteamine HCL 20% Phytacin/Phytase 5000FTU/g