1.Good Quality 2.4 layers pcb,FR4 3.Certificate:ISO 9001:2008 UL RoHS 4.Competitive price,fast delivery We manufacture Electronic HASL double side PCB:High quality with competive price double side PCB product. (Good tolerance,Good warpage,Good solderable...)The information about our company's process capacity for your reference: Description Specification Inch (mm) MaterialFR-4 / Hi Tg FR-4 / Lead ...