... Rich experience and perfect design Electronic guitar PCB assembly, pcba servicePCBA specific instructionMaterial:FR-4Layer ... service: medical, instrument, environmental, industrial, networking, automotive, aeronautics, security and other industries equipment productsCertificationISO9001-2000,UL,RoHSR&Dengaged in PCB assembly, LCD driver, ODM ... 10-20days Electronic guitar PCB assembly, pcba service