> > Equipment maintenance:  dtc11@drilltech.cn

> > Equipment problem solving:  dtc11@drilltech.cn

> > After-sales service telephone: +86-18330737011

> >We can provide several major manufacturers at home and abroad of the bop spare parts at the same time.

> >The bop and well control system technical support, testing, maintenance of one-stop solution for free with big customer.

> >About Rely on processing＆manufacturing capability and technical service, we can provide product test, repair and refurbishment services of all the manufacturers.

> >Providing 24-hour technical support service.