Q1:What is your MOQ of switch power? A:Our MOQ is 1 piece. Q2:How many year warranty of your Led driver? A:Two years. Q3:Do you offer sample of power? A:Yes,We offer free sample,but you need pay the shippment. Q4:Do you have switch power factory? A:Yes,we are OEM & ODM manufacturer in Dongguan. Q5:Is your power with copper transform or something? A:We can do with complete copper transform and copper cladding aluminum. Q6:What is your MOQ of switch power? A:Yes,we have CE,RoHS,FCC and ISO9001 right now.If you need other certification with large order, We can apply for it.