1. Do you have certificates about the led wall light?

----Yes, all our product are high quality,we have got CE,RoHS,FCC, certificates
2. How to control the quality of the goods ?
------Our prodcts have passed QC quality test,1years warranty,50000Hours working span,will be tested for 24hours before shipping .
3. How you can do for when the goods have problem within 1years ?
------If the goods have some problem then we will assist you to solve it, we should check the problem first,then send the materis or send new goods to you.
4. Which payment do you accept ?
------we will accept T/T,west union,paypal,L/C, as your request.
5. How about the delivery time ?
--------Sample order within 3working days,3-7 working days for normal order, 10-30 working days for mass order.