... to wholesale cheap, high quality and low price oem power bank pcb from our factory.Place of Origin: Zhejiang, China ... Name: ctpcb Model Number: Power bank ctpcb Number of Layers: 1layerBase Material: Power bank LF HASLCopper Thickness: 1OZBoard Thickness: ... ISO9001,SGS,UL,IPC,RoHSTesting Service: AOIUsage: electronic Power bank PCB Assembly process: ICT PCB AssemblyApplication: Industrial Control