We are SHANDONG AONA CHEMICAL CO.,LTD which located in the south of the shandong state where have plenty of carbon black oils. Today we have won the credit standing from our clients all over the world because of our good quality and reasonable price.  With our capacity of more than 40,000tons per year,we can offer you kinds of carbon black with: N220,N121,N234,N330,N339,N375,N550,N660,N772,N774,SRF,etc.  Welcom your enquiry and look forward to your reply.