... ,NTPH:±0.0514CertificateUL,ISO9001,ISO14001,ROHS,CQC15Profiling PunchingRouting,V-CUT,Beveling16Assembly ServiceProviding OEM service to all sorts ... +controlled impedence+BGA11)Hole tolerance:Punching ,Routing ,V-CUT,Beveling 12)Product range:Flex-PCB,Rigid- ... Piezotronics, a manufacturer of piezoelectric sensors HIFI Speakers headset speaker amplifiers PCBA assembly SMT Electronic components assembly ...