4 layer external hard disk circuit board

{"cid":"91224204","title":"4 Layers Impedance-controlled Multilayer Rigid Board For Custom Communication Equipment","imgUrl":"https:\/\/img.chinax.com\/nimg\/6d\/28\/eaa594abb43f174e21a31abfde58-200x200-1.jpg","attrs":{"Price":"Based on Gerber Files","Brand Name":"xingqiang","Model Number":"As Per Customer's Model","Minimum Order Quantity":"Sample,1 pc(5 square meters)","Delivery Time":"NA","Certification":"ISO 9001 \/ RoHS \/UL \/ IATF 16949 (automotive)","Place of Origin":"China","Payment Terms":",T\/T,Western Union","Supply Ability":"100000\u33a1\/Month","Product":"Multi-layer PCB","Min Hole Size":"0.1mm","Materila":"FR4","Copper Overall":"0.5-5oz","Pcba Standard":"IPC-A-610E","Pcba Customization":"BOM List","Minimum Line Space":"3mil (0.075mm)","Board Size":"Customized","Board Thinkness":"0.2-5.0Mm","Quotation Needed":"Gerber Files","Surface Finishing":"HASL\/OSP\/ENIG","Pcb Layer":"2\/4\/6\/8\/10 or Tailored"}}

{"cid":"91206048","title":"Anti Static Electronic Packaging Bag Shield Protector 3 Layer Esd Anti Static Bags","imgUrl":"https:\/\/img.chinax.com\/nimg\/f6\/6a\/45f2d51a44ebdd86f4f93f7c197b-200x200-1.jpg","attrs":{"Price":"$0.02-0.25 per piece","Brand Name":"CX PACK","Minimum Order Quantity":"20000pcs","Delivery Time":"15-20 days","Certification":"EN137\/ROHS\/ISO9001\/ISO2008","Place of Origin":"CHINA","Payment Terms":"T\/T, L\/C, Western Union","Supply Ability":"10000000 pieces per week","Packaging Details":"Custom Packaging As You Want","Industrial use":"ESD, battery, digital accessories,smart phone","Feature":"Anti Static,Moisture Proof, Electrostatic Proof,Reusable,Strong Sealing","Custom order":"Accept","Item":"ESD Open top bag","Thickness":"0.075-0.1MM","Material":"PET\/NY\/AL\/PE ; PET\/VMPET\/PE ; PET\/NY\/PE ; NY\/PE ; OPP\/CPP ;etc","Size":"customized","Color":"Customized Color","Bag type":"Stand Up Pouch","Logo":"Customized Logo"}}