Wuxi Jinghai Amino Acid Co., Ltd. (brand: Aminowill) is one of the largest manufacturers of amino acids in China, founded in 1995. The company specializes in the production of food-grade, pharmaceutical-grade, and injection-grade amino acids using advanced fermentation technology. The company holds multiple certifications, including Chinese GMP, ISO9001, FSSC22000, Kosher, and Halal, and has passed the US FDA onsite inspection with zero defects. Their main products include L-Lysine Acetate, L-Tyrosine, L-Threonine, L-Tryptophan, L-Isoleucine, L-Valine, L-Leucine, L-Proline, and L-Phenylalanine.