Qingzhou Boao Carbon Black Co., Ltd., as one key enterprise in the industry in China, with more than 40 years' history, has domestic advanced equipment for carbon black production, with deep automation control and advanced technology. The main products of our company are series of multi specification carbon black for rubber use. All the products are under registered trademarks of "Qiangli" and "BOAO" brands, and we have been awarded with famous company of Shandong Province and environmental management system certificate. Our company persists in the management principle of "controlling complete process and constantly striving for perfection, and standard management and all-win", carrying forward the innovations on management and technology. We have passed through ISO9001 quality management system and ISO14001 environmental management system certifications. For