Pre-Sales Service

Providing details about the production procedure

Assigning engineers for testing

Supporting samples



Sales Service

Customized solution designs

Product figures and test report and relevant certificates.

Doulux´s successful project examples and visits to our production and R&D base



After-Sales Service

Two-year quality warranty.

Free guarantee repairing or replacement during the warranty period.We will never exempt our responsibilities on product owned defects.

Responding time: upon receiving client’s notification, we ensure 24-hour after-sales technical support.

Spare parts: Necessary spare parts are provided together with products to customers.

Free technical training: We have professional engineer to training the relevant technical acknowledges and solve the problems of using our G4LED bulbs or G9LED bulbs

Telephone investigation: Our after-sales team will phone the user every month during the warranty period to follow up the working condition of the products, and to discover and solve problems, if necessary.


Free on-site service for hardware related issues (only in China).

Please call our technical support for more information: +86 755 2819 8159