... competitive price ,best quality, prompt delivery & best service Single-sided Printed Circuit Board:Layer count: 1Materials: epoxy resin panels (FR-4 ... us your sample,design or your idea file,We can hand in you want.3) Tesing &Assembly Inform us your Testing ... well perfect products. Single side Aluminum PCB ,LED Aluminum PCB,printed circuit board,PCB electronic , PCB layout design,PCB game board ...