Profile: Shijiazhuang Haitian Fine Chemicals Co., Ltd. manufacturer of amino acids. We are an ISO 9001:2000 certified organization. We provide DL-alanine, D-alanine, L-alanine, L-aspartic acid, glycine, L-hydroxyproline, L-leucine, L-lysine HCL, DL-methionine, D-methionine, L-methionine, L-threonine, L-tryptophan, D-phenylalanine and L-proline.