Carbon black, titanium dioxide for pigment, rubber products are being produced and exported in bulk by us. 1. carbon black pigment grade(gb/t 7044-2003) high color: c111, c166, c167, c168 medium color: c311, c326, c328, c363, c364, c365, c366 regular color: c611, c626, c666 2. carbon black rubber grade-wet process (gb/t 3778-2003) n220(isaf), n330(haf), n550(fef), n660(gpf) n326(haf-ls), n234, n339, n375, n574 3. titanium dioxide rutile 95%, anatase 99%