DBV has all kinds of methods to service customers like the on-line service available for customers, email, facebook, linkedin, google+, instagram, twitter,skype, messenger, wechat, whatsapp, QQ, etc.   

DBV has mature and trained teams to serve the customers in 24hours to solve problems of customers, keeping to update the latest information to customers. 

DBV has online system for order trackling, so that customers can obtain the updated procedures of the ordered valves.   

DBV has expert technicians separately for ball valves, butterfly valves, gate valves, globe valves and check valves, to provide fast and most professional technical support in valve solution and custom design.