1, open dimensional company related services in strict accordance with the time and content of customer commitment.

2, by the senior engineer for customers to install and repair, to ensure that everycustomer to enjoy the high quality service;

3, Fankaiwei products, the whole two years free warranty, life-long repair serviceprovided.

4, where the customer complaints, we arranged for staff to the site in 48 hours to see,and make the solution.

5, in the warranty period after sale problems, processed by the open dimensionalcompany, promise not to charge any fees;

6, have customer service warranty, collection of materials, reasonable door-to-door service transportation costs and labor costs;

7, the national service hotline 0757-81802415.