We are the professional maufacturer of Carbon Black.
Our series include: N121, N219, N220, N234, N326, N330, N339, N375, N550, N660.
Carry Out The Standard: GB3778-2003
Certification: ISO: 9001
Remarks: We also can supply other grades of carbon black under of N200, N300, N500, N600.
If you are interested in our info, pls don't hesitate to contact with us.
Look forward to hearing from you soon!