Shandong Aona Chemical Co.,Ltd is one of the leading manufacturers and exporters of carbon black in China.The carbon black is mainly used for rubber,tyre,plastic,printing ink and so on.Now we can produce series of carbon black,such as:N121,N219,N220,N234,N326,N330,N339,N375,N550,N660 ect.We have passe the ISO9001:2000 certification and carry out the standard GB3778-2003.The capacity of our company is more than 50,000 mt every year.If you are interested in our products,pls don't hesitate to contact us.We will give you satisfying reply.