Zhejiang Esigma Animal Health Co., Ltd. was established in 1997, and is one of the Chinese leading feedstuff pharmaceutical additive factories, which is based on guidance of technical innovation. The headquarter is located in Hangzhou. The sales of Nicarbazin, Robenidine hydrochloride, Nonon(Nosiheptide premix),Kitasamycin premix andEthopabate are on the top in China. We specialize in anticoccidial products and have established a good quality control system to ensure the specialties of our products. Supported by our highly quality assurance, we expand our scale and quantity to reduce production cost. We have passed the GMP approval, and have rich experience in a wide range of chemicals and fermentations in veterinary medicines. We have our R&D and ready to improve new products.