pcb multi-layer circuit boarding double-sided automobile remote control key fr-4 fiberglass board proofing batch circuits boards

processing custom: yes item no: 003 brand name: lingbang model: 003 mechanical rigidity: rigidity number of layers: double-sided base material: copper insulation material: organic resin insulation layer thickness: conventional board flame retardant properties :vo board processing technology: electrolytic foil reinforcement material: glass fiber cloth base insulation resin: epoxy resin (ep) product nature: seller marketing method: factory direct selling marketing price: special price.syi