Aluminum PCB: 1.Good appearance of PCB Board 2.Good price and service of PBC Board 3.100% test 4.CE, ... , Medical Industry Automotive, Industrial ,Sanitary Systems, Fancy Goods,and so on. ItemsTechnology ReferenceNo.OF Layer1-30 layerMaterialFR-4,Teflon,Aluminum Base ... HAL,Chemical Gold,Chemical Tin,Chemical Silver,OSP and so on Panel Size 110*100mm (Min)660*800mm( Max) Tolerance ±0 ...