Barium
Beijing Bestgrand Biochemicals Co.,Ltd.
Bisphenol
Beijing Bestgrand Biochemicals Co.,Ltd.
Bismuth
Beijing Bestgrand Biochemicals Co.,Ltd.
CYANOCOBALAMIN
Hebei Yuxing Bio-Engineering Co.,Ltd.
MECOBLAMIN
Hebei Yuxing Bio-Engineering Co.,Ltd.
HYDROXOCOBALAMIN
Hebei Yuxing Bio-Engineering Co.,Ltd.
VITAMIN B 12 FOOD ADDITIVE
Hebei Yuxing Bio-Engineering Co.,Ltd.
VITAMIN B12 FEED ADDITIVE
Hebei Yuxing Bio-Engineering Co.,Ltd.
2-AMINO-3-CHLORO-1,4-NAPHTHOQUINONE
,Jiangsu Huada Chemical Group Co.,Ltd.
2-Chloro-1,4-naphthoquinone
,Jiangsu Huada Chemical Group Co.,Ltd.
1-methyl-aminomethyl-naphthalene
,Jiangsu Huada Chemical Group Co.,Ltd.
Sodium 4-amino-1-naphthalenesulfonate
,Jiangsu Huada Chemical Group Co.,Ltd.
1-Aminonaphthalene
,Jiangsu Huada Chemical Group Co.,Ltd.
N-Phenyl-benzenamine reaction products
,Jiangsu Huada Chemical Group Co.,Ltd.
Ethoxyquin
,Jiangsu Huada Chemical Group Co.,Ltd.
N,N'-Di-2-naphthyl-p-phenylenediamine
,Jiangsu Huada Chemical Group Co.,Ltd.
Dioctyldiphenylamine
,Jiangsu Huada Chemical Group Co.,Ltd.
Poly(1,2-dihydro-2,2,4-trimethylquinoline)
,Jiangsu Huada Chemical Group Co.,Ltd.
1-Iodonaphthalene
,Jiangsu Huada Chemical Group Co.,Ltd.
1-Bromonaphthalene
,Jiangsu Huada Chemical Group Co.,Ltd.