... assembly(PCBA) PCBA specific instructionMaterial:FR-4Layer: 2 layersSurface finish, HASL lead freeSolder mask: GreenSilk screen ... new designProduction period: 15-20days (5 more days for trial order) ItemDescriptionspcba servicePCBA OEM& ... -2000,UL,RoHSR&Dengaged in PCB assembly, LCD driver, ODM and OEM ect productsany ... 10-20days electronic assembly, PCB assembly for printed circuit board