we manufacture carbon black:N220 N234 N326 N330 N339 N375 N550 N660 .
They are for rubber,tyre,ink,masterbatch,plastic etc. Our capicity for carbon black is over 50,000 tons in 2008.We get iso9001---2008,iso14001--2004 .If u need,pls contact me ASAP. MSN:cqlfly@msn.com , email:aonachemical@gmail.com manager:jackie chu