double sided pcb with dfm check

{"cid":"91224204","title":"Custom FR4 Double PCB with Free DFM Check, ISO9001 Certified Manufacturing Service","imgUrl":"https:\/\/img.ismap.com\/nimg\/a7\/b7\/1a32b2874f504c618dba100cdd2b-200x200-1.jpg","attrs":{"Price":"Based On Gerber","Brand Name":"Xingqiang","Model Number":"As Per Customer's Model","Minimum Order Quantity":"Sample,1 Pc(5 Square Meters)","Delivery Time":"NA","Place Of Origin":"China","Certification":"ISO 9001 \/ ROHS \/UL \/ IATF 16949 (automotive)","Packaging Details":"As Per Customer's Request","Payment Terms":",T\/T,Western Union","Supply Ability":"100000\u33a1\/Month","PCB Name":"Custom Double PCB","Legend Color":"White","Min Line Width":"3Mil","Routing":"0.1mm","Layer Count":"1-30 Layers","Board Thickness":"0.2-5.0mm","Fabrication Basis":"Gerber Files","Surface Treatment":"ENIG\/OSP\/HASL","Silkscreen":"White,Black,Red,Yellow","Hole Size Tolerance":"PTH \u00c2\u00b10.075, NTPH \u00c2\u00b10.05","Slodermask":"Black,Yellow,Red,White,Green,Blue","Functions":"Flame Retardant,Low signal loss,Moisture resistant"}}