Haematoxylin is the main part of the logwood can see black-brown powder ,pasty or liquid. It is absolute a natural pigment abstracted from the core of Haematoxylon campechianum by modern biotechnology as black-brown coloring.
This product has been exported to EU, Japan, USA, Asia etc. The physical level and microbiological level can meet the export standards well.
MSN:hejing_jj@Contact person: Sophia