Medicinal charcoal (medicinal excipients) Black iron oxide (medicinal excipients) medicinal carbon iron oxide，purple for pharmaceutical Brown iron oxide (medicinal excipients)

Medicinal carbon black Purple iron oxide (medicinal excipients) Red iron oxide (medicinal excipients) Activated carbon (for injection) (medicinal excipients) Yellow iron oxide (medicinal excipients)

White carbon black,medical iron oxide,brown for pharmaceutical Medicinal ink (black) (medicinal excipients) Medicinal wood activated carbon Medicinal ink (yellow) (medicinal excipients)

783 type medicinal activated carbon Needle, and a pharmaceutically acceptable activated reagent Ferric chloride,medicinal