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Since 2008, Douson has established business relationship with domestic three big oil groups and quickly

into domestic oil groups network. Now Douson has become the first level supplier qualification for CNPC

oil/gas high pressure valves, supplier for SINOPEC wellhead equipment and supplier for CSPC. Douson

domestic business covers areas such as Guangdong, Shanghai, Jiangsu, Shandong, Tianjin, Beijing, 

Hubei,Sichuan, Jilin, Heilongjiang, Xinjiang, Shanxi.


Douson overseas business covers America, Europe, Australia, Asia, Africa, Middle east, Russia.

Douson and GE Oil &Gas have long term and stable strategic cooperative relations. Douson has become

GE oil &gas main supplier for wellhead and well control equipment. Douson also have stable co-operation

with NOV, Cameron and other famous international companies. Douson commits to meet customers’

requirements, adopts mature, advanced, reasonable production procedure and technology, strictly

implements API and corresponding technical standards, strengthens quality management, pursues 

scientific and technological innovation to improve products quality.


※Douson products have advanced design, reasonable structure, qualified materials

※Douson considerate and integrate service can guarantee to provide customer with full range of technical

   guidance and consulting.

※Douson strictly abides by the ISO9001, API quality system and strictly controls design, material 

   sourcing,fabrication, test, package, delivery and after-sale service  to ensure products “zero defect”.

※Strictly according to customers requirements, Douson well organized production, Strictly control quality 

   to ensure products performances to meet customers requirements.

※Douson will respond to equipment failure within 12 hours and promise to solve problems at working site

   within 24 hours on the permitted conditions to ensure equipments can restore normal operation within

   shortest time.

※Douson will have a regular understanding of the use of products, solve feedback information timely 

   and provide customer with long term technical service.