Add: 23V, Metropolis International Building, Shilipu, Chaoyang District, Beijing, PRC

Production base:Xinhua Industrial Park,Xinhua District,Cangzhou,Hebei,P.R.C. 

Switchboard:+86-10-85753211     +86-10-65567802

Domestic Dept: +86-10-85753211-601

Russian  Dept: +86-10-85753211-602    +86-10-85753211-603    +86-10-85753211-605

English  Dept: +86-10-85753211-607    +86-10-85753211-608 

After-sales service：+86-10-85753211-606

Fax:+86-10-85792820 

Website: www.sinopetro-ds.com     www.china-oilwell.top

Post Code:100123 

E-mail: sales@ds-petro.com   bjdsbw@126.com