Chongqing Suote Xingbo Chemical Co.,Ltd is the largest carbon black manufacture base in Southwest of China. We have production capability 60,000ton/year.Our company mainly produces more than 10 kinds of carbon black including wet processN220,N234,N330,N326,N339,N375 and dry process N539,N550,N642,N660,N774.The quality of the product is all in accordance with GB-3778--2003 standard ,ASTM standard and SGS standard. And also our company has received certificate of ISO9001:2000 international quality system certification.