PCB Prototype 1.UL,RoHS,SGS,ISO T/S, ... mm9Min bonding pad diameter10mil10Max proportion of drilling hole and board thickness1:12.511Minimum linewidth of Idents4mil12Min Height of Idents25mil13Finishing ... , RoHS, ISO, SGS Certification Compliance.- OEM Assembly, Design, Prototype Service.- We will be responsible for the quality of our ... by quality, Win by Price. Digital Product Manufacture PCB Prototype