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Suzhou Douson Drilling & Production Equipment Co., Ltd., is an oil and gas development equipment   

manufacturer which specializes in R & D, design, manufacturing, sales and service. 

Douson has all kinds of machining centers, such as turning center, large boring milling machining

center and Mazak five-axis combined machining center. The production processes completely follows

the standard of ISO9001 and API Q1 quality management system. We are currently equipped with the

high-end inspection and test equipment, conducting scientific analysis through advanced data statistics,

Douson can ensure the conformity of product quality and design requirements, and ensure that the

product performance is stable and reliable, to meet customer's site safes requirements.

     Douson uses core technologies widely in anti-scour and anti-corrosion of overcurrent surface, cryogenic

temperature, metal to metal sealed, wear-resistant thermal spraying coating, and high-performance

wellheads and valves manufacturing. The wellhead and tree equipment and the matching-used gate

valves, choke valves and safety valves have all passed PR2 performance test, which are widely used in

the operating environment of high temperature, high pressure, high carbon dioxide and

high hydrogen sulfide.

Douson Co., Ltd has obtained the major international certification of the petroleum machinery industry.

It is an important supplier of CNPC, SINOPEC and CNOOC, and has established strategic cooperative

relations with many famous international enterprises. Sales outlets and dedicated follow-up services

which cover major domestic oil fields, provide customers with complete technical support and timely

after-sales service. Its products are widely uesd in China, the United States, Canada, Argentina, Australia,

Saudi Arabia, Kazakhstan and other major oil and gas production areas in the world.