pcb circuit boards processing and production of pcb proofing single-sided circuit board manufacturers shenzhen circuit board manufacturers

processing custom: yes item no: 048 brand: leabon model: 048 mechanical rigidity: rigidity number of floors: single side 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