Zaozhuang Xinyuan Chemical Industry Co., Ltd is leading manufacturer and exporter of carbon black 220 , N330 , N660 , N550 in China , Our products are mainly used in tyre, tyre tread and sidewall , rubber tube, rubber covered rollers, rubber damping products, plastics , electric wire & cable, conveyor belts, rubber seals , rubber gaskets , color masterbatch , industrial rubber goods and so on . Our products obtain good reviews from customers , due to best price and quality . Pls feel free to contact me directly .amanda msn / email:amanda(AT)xycarbonblack(DOT)com ; skype : xyamanda2010 .