Q1: How to proceed an order for Power Supply?A1: You can follow the steps:(1) Let us know your requirements or application.(2) We quote according to your requirements or our suggestions.(3) Customer confirms the Power Supply samples and places deposit for formal order.(4) We arrange the production. Q2: Is it OK to put my LOGO sticker on packaging of Power Supply?A2: Yes. Please inform us formally before Power Supply production. We has professional designer make the sticker and confirm with you. We will strictly follow the principal that we won’t disclose or sell customer unique designs to another third party. Q3: How do you ensure Power Supply quality?A3: We get four Steps for QC processes: (1) Casual inspection for raw materials with professional instruments(2) Complete inspection during the production(3) Aging exceed 12 hours for all products(4) Complete inspection before packaging Q4: How do you ship Power Supply and how long does it take to arrive?A4: We usually ship Power Supply samples by DHL, UPS, FedEx, TNT. It usually takes 3-5working days to arrive. For mass order, by air and sea shipping are also acceptable. Q5: How to do if any quality problems on our side in the warranty time (RMA policy)?A5: First, take defects Power Supply pictures or videos and send to us. We will assess the defects and resend in next order. More detail, welcome to contact us.