... as low as quantity of 1(piece or panel). ---What is the standard thickness of laminate that Rigao PCBA Limited uses? 1 ... .0oz, 3.5oz, 4.0oz, 4.5oz, 5.0oz---What are the color options for PCB solder mask? Green, black, blue, red ... , yellow, white etc---What are the options for surface finishing? The options include HASL, Immersion gold, Immersion silver, OSP ...