We are factory for power supply ,transformer ,lighting including some other electric accessories .
2.what is the warranty of your product and how can I guaranteen ?
Warranty is 2-3years and sample will be offered first,bluk goods will be done as agreed. You can ask full payment refund in case of any problem with the products or we can replace all goods with new ones .
3.will sample be in charged ?
For small amount value item, sample is free and you need to pay delivery freight. Sample quantity is 1-3pcs.
4. do your factory have the ability to do research and development ?
Yes, our engineering department has 7 people, we have the research and development capabilities. We also collect regularly each customer feedback,product improvement and new product development.
5.What additionl service can you provide ?
We can help purchasing other kinds of products you are requesting ,deliverying all your goods together and also serving as third-party for inspecting your other products if required .