we welcome sample order to test and check quality. Mixed samples are acceptable. Samples need 3-5 working days, mass products need 7-10 days. Express(DHL,UPS,Fedex or TNT.), Air or Sea shipment is available depends on your need. It usually takes 3-5 days to arrive except Sea transportation.Firstly, we will prepare artwork for visual confirmation, and next we will produce a real sample for your second confirmation. If mockup is ok, finally we will go to mass production.
Firstly, our defective rate is less than 0.2%, so there is no big problem to the lights. Secondly, we usually offer 2 years warranty for our lights. Thirdly, during the guarantee period, we will resend new lights with the new order for small quantity. If there are many lights don’t work, we can repair them, then resend them to you.