About Shaanxi ESNO Biotech Co., Ltd.
Shaanxi ESNO Biotech Co., Ltd. is a high-standard contract manufacturer specializing in private label dietary supplements, customized nutrition formulations, and standardized botanical extracts. Headquartered in the High-Tech Zone of Xi'an, Shaanxi, China, our company integrates source raw-material selection, state-of-the-art GMP cleanroom production, rigorous analytical testing, and seamless global export logistics.
Assessed and verified on-site by independent third-party authorities including TÜV Rheinland, we adhere strictly to NSF 455-2 GMP, ISO 22000, and HACCP standards. With over 19 years of technical expertise and 400+ mature formula designs, we provide turnkey OEM/ODM services for dietary supplement brands, distributors, and e-commerce leaders in more than 100 countries.





















