Q1. Will you do Inspection before shipment? A1. 100% QC inspection , each function will be tested qualified before packaging. Q2. Can you do customize service? A2. Yes,sure. We have both the hardware and software departments in our company. We have many experience in doing custom service. We can customize producst according to the requirement of customers Q3. What is you shipping way? A3. We chose fast and convenient delivery way, Express(door to door. DHL ,TNT, Fedex,UPS),sea transportation,air transport. Q4. What about lead time? A4. Sample, 1-2 days; Instock: 3-5 days (100-300pcs), 5-7 days(300-500pcs), 7-10 days(500-1000pcs); OEM/ODM: about 2-5 weeks. Q5. What is your payment term? A5. 1.100% TT in adv ance. 2.30% deposit paid to start the order , 70% balance paid before shipping.3.100% LC at sight. Q6. How about your After-sales Service? A6. For original printheads, the warranty is 3 months or 3km. For compatible printheads, the warranty is 5 months or 5km.