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 in hope of establishing the friendly and mutual benefit business relations. Mr. Patty Zong/ saleman SHANDONG AONA CHENICAL CO.,LTD Add of plant:LiuYan town,zaozhuang city,shandong province,china