specializing in the production of pcb single-sided circuits boards processing fr-4 glass fiber double-sided circuit board batch

processing custom: yes item no: 307 brand name: lingbang model: 307 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.syi