-Yes, we welcome sample order to test and check quality. One sample or mixed samples are acceptable.

-Yes. Please inform us formally before our production and confirm the design firstly based on our sample.

-100% pre-check for raw material before production.

-samples testing before mass production.

-100% QC checking before aging testing.

-8hours aging testing with 500time ON-OFF testing.

-100% QC checking before package.

- Warmly welcome your QC team’s checking in our factory before delivery. .

-Firstly, Our products are produced in strict quality control system and the defective rate will be less than 0.02%.
Secondly, during the guarantee period, we will send new lights with new order for small quantity. If you need, all our bulbs have a special production code on printing in each production for our better quality guarantee.

-Sure, We are warmly welcome your design with your idea. We also will support your sales with Patent service if you need.