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Vitamin B12
68-19-9
Shandong Lanyuguang Chemical Co., Ltd
Ningxia Kingvit Pharmaceutical Co.,Ltd
Yixing Jiangshan Bio-tech Co., Ltd. (formerly Yixing Jiangshan Chemical Industry Factory)
Shenyang Hongjiuzhou Chemical Co., Ltd.
Hangzhou KieRay Chem Co.
Surechemical Co
Takeda Pharmaceutical Company Limited
BIM SIFRAM GROUP
VITAMIN B12
HeKai Chemical & Technology Limited Corporation
LEAP CHEM CO., LTD.