Professional Manufacturer of Multilayer PCB; ROHS certificate; PCB copy,design,assembly,testing,one stop service; Professional Manufacturer of Multilayer PCB-Lead free HASL surface finish compliant ROHS requied -4-layer PCB -FR4 1.6T 1OZ -20up V-cut panel routing(CNC) -Surface finsih: OSP, HAL, Immersion Gold, Gold finger and lead free HASL -solder mask color: Green, red, white, yellow and red - ...