DUPT.DUPT was established on June 30, 2004, with its headquarters located in Dezhou City, Shandong Province. As a comprehensive petroleum equipment manufacturer, the company integrates R&D, production, operations, and services. DUPT specializes in providing high-end equipment and engineering technical services for energy exploration and development, including drilling tools, wellhead and well control equipment, and enhanced oil recovery injection systems. Its business spans the petroleum, natural gas, shale gas, coalbed methane, and geothermal energy sectors. Equipped with advanced production and testing facilities and certified under international standards including API and ISO 9001, DUPT products are widely used in major domestic oilfields and exported globally, earning the company a distinguished reputation in the petroleum and petrochemical industry. Core products include downhole tool testing systems and high-pressure hoses, driving enhanced energy development efficiency through technological innovation.