PIONEER CARBON BLACK
http://WWW.PIONEEREXPORTHOUSE.COMSince 1987, we are producing our high quality ASTM standard wet process granulated carbon black grades N330, N339, N375, N550 and N660.
We welcome your carbon black enquiries in above grades.
Your orders will be processed with total care and shipped promptly.
Manufacturer Of Plastic raw Materials
www.hbrongyuan.comWe are a manufacturer of chemical raw materials