Zhangjiagang Specom Biochemical Co., Ltd.

[ Manufacturer ]Main business are Methionine, Tryptopan, Threonine, Serine, Proline, Valine, Isoleucine, Phenylalanine, Glutamic acid, Leucine, Arginine, Alanine, Glutamine, Asparagine, Lysine, Glutamic acid, Aspartic acid