Our company can supply Carbon blackN220, N330,N550, N660,etc.And the features as follow:CARBON BLACK N220Characteristic: Good abrasion resistance and crackresistance. Its stress at definite elongation is lower.Application: Enhanced carbon black; Tire tread, highquality industrial rubber products and high load conveyorbelt.CARBON BLACK N330Characteristic: Good abrasion resistance and middling lag.Application: Tire belted layer; Tire side; Outer layer ofroller; Industrial rubber products; Car tire tread.CARBON BLACK N550Characteristic; It boasts the best reinforcing performanceamong the semi-reinforcing varieties, excellent extrudingperformance as well as low resilient rate.Application: Tire body and inner tire compound; Tube;Extruding bar, seal and mould rubber product.E-mail:xieyonghua1(at)sina(dot)com