Q1: Are you a manufacturer or a trading company?A1: We are a manufacturer. Q2. Customized ServiceR2:We are glad to offer customized service for you, we have an experienced engineers team who will provide you with a complete solution according to your requirements.Q3. What file for PCB quotations?R3: GERBER file,POWERPCB file,PROTEL file,PADS2007 file,AUTOCAD file,ORCAD file,PCBD0C File, real samples and so on. Q4. What About the Delivery time?R4: For our products are the customized, can be shipped out within 15-20 days after confirming the requirements.Q5. What is your delivery terms and payment terms?R5: We accept EXW and FOB. You can choose the one which is the most convenient or cost effective for you. 100% in advance for sample order, 50% deposit and 50% balance for mass order. Q6. How can we know the product quality?A6: We suggest you to order a sample. Also, you can send us email for detail photos for checking if you cannot get enoughinformation in the product page. Q7. Sample ServiceR7: Samples are available. For the samples are customized, they can be sent to you about 10 days, if we have no business record with you before, we need to charge the samples cost and courier freight.