EDADOC is located in Hi-tech Industrial Park ,Shenzhen China.As one of the biggest PCB design companies in China,Edadoc is specialized in high speed PCB design,SI simulation and EMC design. Edadoc provides cost-effective design solutions for all of your PCB design need,including schematic drawing ,lib creating, high-speed ,high density design,SI simulation,EMC/EMI design and debug,impossible schedules,new technology of PCB design. We also can provide the PCB manufacturing if the customer required.