6 layer PCB mainboard: 1.No MOQ limited; 2.Reasonable price; 3.UL certified, ... / PositionEason XiangCompany Add.7 th block, 3 rank, xinqiao xinfa industrial park, shajing town, shenzhen, Guangdong,CHINA 518125Built Up DateYear 1994Main ... .2mm,Golden finger faceoff:30°45° 60° 6 layer PCB mainboard