Brief description about the CEM3 single-sided pcb board: 1.CEM3,single-sided pcb,1.2mm,H/H,HALS 2.17 years ... Circuit Board Co.,LtdContact Person / PositionEason XiangCompany Add.7 th block, 3 rank, xinqiao xinfa industrial park, shajing town, shenzhen, Guangdong ... will send the all files with attachment to you CEM3 single-sided pcb board