... board1. material:FR-4 (thickness from 0.2mm~2.4mm)2. surface finished: HASL,SOP,Immersion Gold3.3000 square ... machine processPCBA assembly Manufacturing Capability: PCB Layers1Layers to 16 layer (Max)PCB MaterialFR4 bare pcbPCB Copper thickness18um,35um, ... Lead and Lead free availableComponent0402componentsBall grid array (BGA)double side pcb SMT assemblyThrough-hole and mixed technology assemblyDIP ...