Dear sir, We are a leading manufacturer and exporter of carbon black for rubber in china. Our products have passed ISO9001 certification and the quality tests conducted by China National Testing....
We are a carbon black manufacturer with high reputation, our factory which was founded in 1998 have our owned lab and product research center. We are one of the largest carbon black manufacturer in....
Dear trade manager, We are SHANDONG AONA CHEMICAL CO., LTD and the leading manufacturer and exporter of carbon black for rubber use in china, we hope build a good and long business relatons you.....