We emphasize advancement and introduce new products into the market each year for Red Solder Mask PCB, PCBA Assembly , Over-Size PCB , Aluminum PCB Enclosure , We sincerely welcome overseas buyers to consult for that long-term cooperation as well as the mutual progress. Our personnel are always inside the spirit of "continuous improvement and excellence", and together with the outstanding excellent goods, favorable price and good after-sales services, we try to gain every customer's trust for Red Solder Mask PCB, We set a strict quality control system. We have return and exchange policy, and you can exchange within 7 days after receive the wigs if it is in new station and we service repairing free for our products. Please feel free to contact us for further information if you have any questions. We are glad to work for every client.