We have more than 100 software and hardware engineers with many years experience in technology development and PCB design. Whatever it? S two-sided boards, multilayer boards or high frequency boards, we can provide the following services: PCB copy, PCB changing, schematic diagram designing, PCB layout, BOM list making, prototype manufacturing(including debugging), the batch processing of finished product, technical support, quality assurance of PCB production, according to the requirements of our customers. Therefore, it will save your cost for the development and drawing design, and in the mean time, it will help you fulfill these items: Purchasing the scarce components, replacement of the devices with compatible function, the design for signal source and testing frame etc. Please click here to contact us .