Q1:How to do if any quality problems on our side in the warranty time? A1: First, take pictures or videos as proof and send to us. Q2:OEM OR ODM accepted? A2: Yes,we can do OEM & ODM ,logo on the light or package both are available. Q3:Can we get support if we have our own market position? A3: Please inform us your detailed market demand,we will discuss and propose helpful suggestion for you,to find the best solution for you. Q4:Is there any cheap shipping cost to import to our country? A4:For small order,express will be the best.And for bulk order,sea ship way is best but take much time.For urgent orders,we suggest via air to airport. Q5: How many days will samples be finished?And how about the mass production? A5: Generally 5-7 days for samples making. The leading time of mass production will depend on the quantity. Q6:What is your trade assurance? A6:100% product quality protection 100% product on time shipment protection 100% payment protection for your covered amount