fr 4 pcb assembly with ipc standards

{"cid":"91221117","title":"FR-4 PCB Assembly Factory IPC Class 2 Or 3 Standard in China and Cambodia","imgUrl":"https:\/\/img.chinax.com\/nimg\/34\/86\/bc9bcb129eb78a471cb220d2cfbd-200x200-1.jpg","attrs":{"Price":"USD+1-100+PCS","Brand Name":"Suntek","Model Number":"F12365PCBA1","Minimum Order Quantity":"1pcs","Delivery Time":"1-2 weeks after all parts collected","Certification":"ISO9001, ISO13485, TS16949 and UL E476377","Place of Origin":"China\/Cambodia","Payment Terms":"T\/T,Paypal","Supply Ability":"100pcs\/hour","Packaging Details":"Vacuum,Anti-static,ESD,Cartons","Layer":"4","Categary":"Security PCB","Material":"FR-4","Quality Standard":"IPC Class 2 Or 3","Smt Dip":"Support","Layer Count":"5","Application":"Bluetooth Speaker","Line Width":">4mil,normal"}}

{"cid":"91178274","title":"HASL Automotive PCB For Brake Control Board 4 Layers SMT PCB Assembly shenzhen IPC Class 2 and As Customer design \tAutomotive PCB","imgUrl":"https:\/\/img.chinax.com\/nimg\/d4\/eb\/7994ad5ec1e5dd4147b659624014-200x200-1.jpg","attrs":{"Price":"USD\/pc","Brand Name":"OEM ODM","Model Number":"PCBA-B-040","Minimum Order Quantity":"1 pc","Delivery Time":"2~3 weeks","Certification":"ISO9001, TS16949, UL, RoHS","Place of Origin":"China","Payment Terms":"T\/T, Western Union, Paypal","Supply Ability":"20,000 Square Meters \/ Month","Packaging Details":"Bubble Wrap","Categary":"SMT PCBA Assembly","Material":"FR-4","Layers":"4 layers","Board Thickness":"1.6mm","Copper":"1oz","Surface":"HASL LF","Soldmask":"Green","Silk Screen":"White","Standard Testing":"IPC Class 2","Used for products":"As Customer design"}}