德州联合石油科技股份有限公司
Dezhou United Petroleum Technology Corp. (DUPT), which is situated in the South Section of Jinghua Road, Economic Development Zone, Dezhou City, Shandong Province, China, was founded in 1961 and previously called Dezhou United Petroleum Machinery Co., Ltd (DUPM) and was the wholly-owned subsidiary of SINOPEC Star Petroleum Company.
DUPT was reformed into an ESO (Employee Stock Ownership) limited liability company in 2004 and changed its name from DUPM to DUPT on June 9, 2017.
DUPT, with advanced machining and testing equipments, mainly produces high-end oil-drilling and production equipments, tools，accessories and provides engineering services.
DUPT has been accredited with a lot of international certificates, such as API , ISO9001（DNV）, HSE certificates, etc.
Website：http://www.dupm.cn/