Recognized as China’s leading tire exporter,We mainly export all sizes of carbon black with the best prices and quality in the market, such as n330, N375, N339, N326, N220, N234, N550, N660, N772, N762, N774...For the detailed specification, pls visit: www.helencarbon.com/jscs.htm Over the past 10 years, we have established strong business relations with customers throughout the world. We are able to locate carbon black below market cost and pass the savings onto you.I hope to establish a good and long-term business relation with you and you will find our product a good seller in your market.Contact: Ms Winniecarbonexporter(at)yahoo.com.cn