Flexible PCB or FPC PCB or call Flexible circuit technology opens the window to new opportunities for engineer and PCB designers to make a complete transition to the third dimension of interconnection. Flexible circuits now also continue to provide the very best and most practical solutions to interconnecting electronic elements that must move relative to each other.it have two important features is motion and three-dimensional interconnection.also with reduction in package size and weight, increased functions, Easy for product design and assembly,enhance the product system reliability and repeatability,enhance cost-effective.