4 Layer BGA ENIG PCB

This is a type of fr-4 pcb for the application of industry. It's an 4 layer board at 1.6mm thick.the base laminate is from customer's idea, solder mask and silkscreen from taiyo. It's fabricated per ipc6012 class 2 using supplied gerber data. do you have any bga pcb?we fabricate many 4 layer small bga pcb wtht quick turn lead time.pls free to contact us if you have any bga pcb ans immersion gold pcb. Pcb features: 1.layer: 42.material: fr43.thickness: 1.6mm4.copper: 1oz5.mini hole: 0.15mm6.mini width/space: 0.2mm/0.2mm7.finish: immersion gold our manufacturing capability: manufacture capability layers: 1-32 layersmaterials: cem1, cem3, teflon, rogers, fr-4, high tg fr-4, aluminum base, halogen freemax board size: 510*1200mmmaterial: rohs directive-compliantpcb thickness: 1.6mm-6.4mmout layer copper thickness: 1-6ozinner layer copper thickness: 1oz-12ozmax board thickness: 6.0mmminimum hole size: 0.150mmminimum line width/space: 3/3milmin s/m pitch: 0.1mm (4mil)plate thickness and aperture ratio: 12:1minimum hole copper: 20μmhole diameter tolerance (pth): ±0.075mm (3mil)hole diameter tolerance (npth): ±0.05mm (2mil)hole position deviation: ±0.05mm (2mil)outline tolerance: ±0.05mm (2mil)surface finish: hasl leadfree, immersion enig, chem tin, flash gold, osp, gold finger, peelable, immersion silver,enepigsolder mask: green/blue/red/black,purple,white,yellow,transparent legend: white/black/yellowoutline: rout and score/v- top 10 reasons why you should buy pcbs.