Shanghai Da Jing Printing Materials Co. Ltd.
List of Product
- 4-Benzoyl-1,3-Phenylene Bis(6-Diazo-5,6-...
- 2-Diazo, 1-Naphthol, 5-Sulfonic Acid Sod...
- Cresol-Formaldehyde Copolymer 1,2-Naphth...
- 2-Diazo-1-naphthol-4-sulphochloride
- 2,3,4,4'-Tetrahydroxybenzophenone 1,2-Na...
- 2,3,4-Trihydroxybenzophenone Naphthoquin...