we mainly supply carbon black used in rubber , our leading items are N220, N330, N550, N660, N339, N326, N234 etc. (dry powder form ) we also can supply many other styles in these series. we had passed ISO9001-2000 certification, and good quality and competitive price had win good reputation among our customers around the world. if you have any request , please contact with us .
hope we will have any opportunity to cooperate with you .