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company overview ——>> company honors the certificate of “key high-tech enterprise of national torch plan” certificate of quality management system certification certificate of quality management system certification       patented invention certificate (isolated from the c4 fraction method butene -1） certificate patents (multi-function diesel detergent) patents (a mobility modifier diesel)   the bronze medal of “honoring credit and promise & keeping enterprise” aaa credit ratings (bronze)   the bronze medal of “jiangsu famous trademark” china''s oil refinery, "3" level certificate of supply network certificate of member company of sinopec’s"three additives” cooperative network. member certificate of “energyahead.com”of petrochina. certificate of national key new product (ns-102 detergent for gasoline and diesel) certificate of national key new product (multifunctional desulfurizing passivators for catalytic cracker)