... are available--Conformal coating service for preventing humidity and isolation--PCB process: HASL, Au plating, Au/SP immersion and ... high TG. layers: 1 to 10--One stop service:PCB fabrication, part sourcing,assembly,software programming,function test --Experienced ... PCBA production industry --Products experience range: one-stop pcb assemblies in China forconsumer electronic,car audio system,kitchen ...