JIANGSU OILWAY MACHINERY CO.LTD.was founded in 2002,which has passed the management sytem certification of ISO9001, ISO14001 and ISO18000 and product specification certification of API Spec 6D, API Spec 6A,API Spec 16C,API Spec 16A, by American Petroleum Institute, and obtains special equipment manufacturing license of the People?s Republic of China and the national industrial products production license.