Xinyi Hangling Biological Engineering Co., Ltd.
amino acid, l-tyrosine, l-histidine, tyrosine, arginine hcl, Manufacturer and Supplier - China(CN)
l-histidine base (l-histidine base)
We are the manufacturer of amino acids. Main products have l-arginine base and hcl, l-histidine base and hcl, L-Leucine, L-Tyrosine, L-Cystine,L-Cysteine Hcl Mono







