Xinyi Hanling Biological Engineering Co., Ltd
[Manufacturer, Exporter]
Hanling have 3 factories for amino acids. And we have got GMP, Kosher, iso9000 Halal certificates. Our main products have L-Cystine, L-Leucine, L-Tyrosine, L-Cysteine Hcl Monohydrate, L-Arginine Hcl, L-Arginine, L-histidine and L-Histidine Hcl etc.