1.OEM Waterproof Module LED PCB 2.UL,SGS,Rohs Certificate 3.Material based On Fr4/Aluminum 4.Delivery On Time Welcome to ... assembled o Electronic testing circuit board or PCBA o Fast delivery, anti-static package o RoHS Directive-compliant, lead-free o ... , PCB manufacture, components purchasing, PCB assembly, test, packing and PCB delivery Technical Specification For PCB Number of Layer1,2,4 or ...