Zhejiang Harre Nature Biotechnology Co., Ltd. is a high-tech corporation owning advanced enzymic engineering, metabolic engineering, and fermentation technologies and focusing on innovation of green bio-industrial technologies. Until now, we have developed strong technology resources, including 32 invention patents and 10 internationally registered trademarks. We have two factories: Zhejiang Huarui Biotechnology Co., Ltd. and Luoyang Huarong Biotechnology Co., Ltd., which are certified by FSSC 22000, ISO 9001:2015, HALAL, and Kosher. Factories according to GMP standards cover more than 78,000 square meters area and have more than an annual 5000t production capacity, including nutritional and health material series such as Beta-Alanine and AgmatineSulfate, D-amino acid series, and other high-end products customized by customers. Our Main product: - D series amino acids: D-Serine, D-Methionine, D-Threonine, etc - Sport nutrition supplements: Beta-Alanine, L-Citrulline - Cosmetic Materials: Ergothioneine, Ectoin