welcome to visit here,we shandong aona chemical co.,ltd is a leading maufacturer and exporter of carbon black in china.the carbon black is mainly used for rubber,plastic,printing ink,tyre and so on.we are series of carbon black,such as n121,n219,n220,n234,n326,n330,n339,n375,n550,n660 ect.our company have got the ISO9001:2000 certification and the total quantity is more than 50,000 mt every year.our products have been exported more than 40 countries.we can assure customers of the superior quality and reasonable price.if you are interested in our products,please don't hesitate to contact me.we will give you professional service.
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