We are SHANDONG AONA CHENICAL CO.,LTD,which is a professional manufacturer and exporter of Carbon Black ,We can supply the carbon black N220,N234,N326,N330,N339,N550, N660etc for rubber industry . We promise to offer best price, supply good quality . As a direct manufacturer ,we are writing to you ..


主营产品或服务:公司主要经营炭黑 carbon black