Q1: What certificate you have? we have CE Rohs reach for EU market,ETL for North American market. And we will be glad to meet your request to pass other certificates. Q2: What's material you are using for the motor? we are using 100% copper for AC and DC motor Q3: How about the LED? The Led light which we are using all have CE, CB or ETL certificate, 3 CCT also have selction for memory and dimmer. Q4: What's kind of packing for your products? we are using 5 ply strong export carton, inside have 2 ply polyform. our packing can pass drop test. Q5: How about your MoQ? Normal MOQ is 1pcs Flexible ordering based on customized requirements Q6: How about your delivery time? The delivery time for ODM models only take 10 days. OEM order take 20-30 days. Q7: About retail one-piece distribution and distribution, what is the process? We have a warehouse on USA, just place order from us, We will deliver the goods within 2 working days. Q8: How about your warranty for the products and how about your after-sale service? Free after-sale service. We provide 15 vears warranty for motor, LED and remote control have 2 vears, if you have any quality problem, just send us the picture and video, we can send you spare parts for free.