Osteocalcin (human reduced), 3-de-L-Tyrosine-4-de-L-glutamine-5-de-L-tryptophan-6-de-L-leucine-9-L-serine-12-L-serine-19-L-threonine-22-L-glutamine-28, China Osteocalcin (human reduced), 3-de-L-Tyrosine-4-de-L-glutamine-5-de-L-tryptophan-6-de-L-leucine-9-L-serine-12-L-serine-19-L-threonine-22-L-glutamine-28 Selling, Selling China Osteocalcin (human reduced), 3-de-L-Tyrosine-4-de-L-glutamine-5-de-L-tryptophan-6-de-L-leucine-9-L-serine-12-L-serine-19-L-threonine-22-L-glutamine-28, Nantong Reform Chemical Co.,Ltd.