40mil pcb wangling

{"cid":"91197854","title":"WL-CT350 PCB Wangling 40mil Material 2-layer 35um Copper","imgUrl":"https:\/\/img.chinax.com\/nimg\/51\/24\/7a82e8d7350b2abaa13f89b8ad7d-200x200-1.jpg","attrs":{"Price":"USD9.99-99.99","Brand Name":"Bicheng","Model Number":"BIC-332.V1.0","Minimum Order Quantity":"1PCS","Delivery Time":"8-9 working days","Certification":"UL, ISO9001, IATF16949","Place of Origin":"CHINA","Payment Terms":"T\/T","Supply Ability":"5000PCS per month","Packaging Details":"Vacuum bags+Cartons","Base material":"WL-CT350","Layer count":"2-layer","PCB thickness":"1.1mm","PCB size":"41.8mm \u00d7 51.35mm","Silkscreen":"Black","Solder mask":"No","Copper weight":"1oz (1.4 mils) for outer layers","Surface finish":"Immersion Gold"}}

{"cid":"91168117","title":"Wangling F4BM250 PCB Substrates 2-layer 30mil Positive ED copper foil","imgUrl":"https:\/\/img.chinax.com\/nimg\/7e\/c6\/d5308a165145a90bddf9dfb0a700-200x200-1.jpg","attrs":{"Price":"USD2 .99-7.99 per piece","Brand Name":"Bicheng Enterprise Limited","Model Number":"BIC-0290-V2.9","Minimum Order Quantity":"1 PIECE","Delivery Time":"8-9 WORKING DAY","Certification":"UL","Place of Origin":"CHINA","Payment Terms":"T\/T,Paypal","Supply Ability":"50000 PIECE PER MONTH","Packaging Details":"VACUUM","Board Material":"Polyimide 50 \u00b5m","Board Thickness":"0.25 mm","Surface\/Inner layer Cu thickness":"35 \u00b5m","Surface Finish":"Immersion Gold","Coverlay Colour":"Yellow","Color of Silkscreen":"White","Function":"100% Pass electrical test","Number of Layers":"2"}}