Technical support：

Online submission, Email, Skype online service: 

provide 7 × 24 hours online submission, Email / Skype technical support

Remote online diagnosis and troubleshooting:

for telephone consultation can not solve the problem, 

authorized by the user we can remotely through the Internet 

to log on to the user network system for processing.

E-mail: support@dflhtec.com

Skype:   live:support_65391

Service complaints/suggestions：

If the customer is not satisfied with the service of our company, or the service personnel of our company are not satisfied, you are welcome to contact Skype or email, we will solve the problem in time until you are satisfied.

E-mail: Vladimir001@dflhtec.com

Skype: live:vladimir001_5

Whatsapp:https://wa.me/+8615818668650

Wechat/Telegram: : +86 158 1866 8650

Thank you very much for choosing our products and services, we believe that our professional services will bring you great help.