We Shandong Aona Chemical Co.,Ltd is a leading manufacturer of carbon black,and our item has been exported to more than 60 countries, Serve our clients the superior quality with most competitive price is just what we insist .We are also a member passing the ISO9001:2000,CQC certification.The attractive price is our another advantage.I assure that you will get satisfaction with our product.Welcome to browse our website:www.sd-aona.com.and my mail is crystal.cc@hotmail.com