... n330 n550 n660 1.black powder or granular 2.for tyre industry 3.BV,SGS,CIQ,ISO,COA,MSDS 4.Free ... manufacture of carbon black N330 for tyre industry1.black powder or granular 2.for rubber industry 3.BV,SGS,CIQ,ISO, ... 6.caron balck n330 n220 n550 n660 n774 Hebei Baili Industry Trade , exporting a series of CARBON BLACK with good ... collapse, flowers, split. manufacture of carbon black N330 for tyre industry