Zhejiang Esigma Biotechnology Co., Ltd. is a high-tech enterprise specializing in the R&D, production and sales of feed pharmaceutical additives (including APIs and premixes) through continuous innovation. Our core business enhances animal health and growth performance by improving feed efficiency, leveraging the innovative application of fine chemicals, bio-fermentation, and animal Antibiotics.

Nosiheptide: First developed and marketed in China

Robenidine HCl: China's first GMP-certified; Global No.1 in sales

Nicarbazine: China's largest GMP manufacturer