Supplier: Carbon black, phthalic anhydride, maleic anhydride, rubber process oil, bitumen, paraffin wax, 2 eh, natural rubber, sbr, latex , hcl, formic acid, sulfuric acid
Buyer: Carbon black, phthalic anhydride, maleic anhydride, rubber process oil, bitumen, paraffin wax, 2 eh, natural rubber, sbr, latex , hcl, formic acid, sulfuric acid