Excellent PCBA Outsourcing Factory Supply 100% PCB Testing Motherboard

HongKong Zhenda Group company are PCBA one stop integration solution provider, to do our best OEM ODM service for customer,welcome visit and audit factory!  Production Ability For PCBLayer:1-40 layerSurface:HASL/OSP/ENIG/ImmersionGold/Flash Gold/Gold finger ect.Copper thickness:0.25 Oz -12 OzMaterial:FR-4,Halogen free,High TG,Cem-3,PTFE,Aluminum  BT,RogersBoard thickness0.1 to 6.0mm(4 to 240mil)Minimum line width/space0.076/0.076mmMinimum line gap+/-10% Outer layer copper thickness140um(bulk)  210um(pcb prototype)Inner layer copper thickness70um(bulk) 150um(pcb protytype)Min.finished hole size(Mechanical)0.15mmMin.finished hole size (laser hole)0.1mmAspect ratio10:01(bulk)  13:01(pcb prototype)Solder Mask ColorGreen,Blue,Black,White,Yellow,Red,GreyTolerance of dimension size+/-0.1mm Tolerance of board thickness