Shandong aona chemical co.ltd

We are shandong aona chenical co.,ltd,which is a professional manufacturer and exporter of carbon black and pigment carbon black,we can supply the carbon black n220,n234,n326,n330,n339,n550, n660etc for rubber industry . as a direct manufacturer ,we are writing to you in hope of establishing the friendly and mutual benefit business relations. mr.patty zong zongchuan4510@gmail.com mobile:15069471996