we are the manufacturer of carbon black located in shandong ,china , specialized in producing carbon black for many years ,and our annual capacity is more than 40,000mts . we had passed ISO9001-2000 certification, and good quality and competitive price had win good reputation among our customers around the world. our leading items are N220, N330, N550, N660, N339, N326,N234 etc powder form can be used for tyre and rubber products . granular form ,widely used for rubber ,plastic ,painting ,building etc. we also can supply many other styles in these series. if you have any inquiry ,please contact us .