Caron black n220 n330 n550 n660 1.black powder or granular 2.for tyre industry 3.BV,SGS,CIQ,ISO,COA,MSDS 4.Free sample manufacture of carbon black N330 for tyre industry1.black powder or granular 2.for rubber industry 3.BV,SGS,CIQ,ISO,COA,MSDS4.Supply Free sample5.Export to UK,Russia,Korea,Asia 6.caron balck n330 n220 n550 n660 n774 Hebei Baili Industry Trade , exporting a series of CARBON BLACK ...