WeareZaozhuangXinyuanChemicalIndustryCo.,Ltd.Wecanproductcarbonblackn220,n330andsoon.WearealsotheonlyonemanufactureinChinawhocanproductthecompositenano-carbonblack.ItisprodctedbythemostadvancedteconologyfromAmerican.Itslowpricesmaksittobeagoodreplacementofthereinforcementmaterial.Thecompositenano-carbonblackbasedonthedifferentformulati***inrubberproductscanreplaceallorpartofN330andN660carbonblack.)