how to build a freeze dryer

{"cid":"91220201","title":"Build Your Food Storage Freeze Dryer for Families Prepper Target Audience Families Security","imgUrl":"https:\/\/img.chinax.com\/nimg\/39\/03\/6c92cbcb6206f5cb9e3633e6882b-200x200-1.jpg","attrs":{"Price":"negotiable","Brand Name":"GX","Model Number":"GX-1108-8","Minimum Order Quantity":"1","Delivery Time":"7 days","Certification":"CE","Place of Origin":"Guangdong","Payment Terms":"30% deposit,the balance paid before shipment","Supply Ability":"50 units per month","Packaging Details":"wooden case","Capacity":"6~8kg","Warranty":"1 Year","Material":"SUS304 Stainless Steel","Temperature Range":"-50\u2103 To +90\u2103","Voltage":"220V\/1PH\/50~60HZ","Product Name":"Home Freeze Dryer","Control System":"PLC Control","Display":"LCD Display"}}

{"cid":"91110306","title":"Tca Pet Food Machine Freeze Dried Small Mini Home Laboratory Vacuum Food Freeze Dryer Machine","imgUrl":"https:\/\/img.chinax.com\/nimg\/d5\/3e\/24046287b99c951cda4698265582-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"LTPM China","Model Number":"LTDG-Series","Minimum Order Quantity":"1 Set","Delivery Time":"30 Days","Certification":"CE","Place of Origin":"China","Payment Terms":"L\/C, T\/T","Supply Ability":"15 Set\/Month","Packaging Details":"Export Standard Wooden Case","Weight":"200kgs","Lyophilizing acreage(m2)":"0.6","Dry Area":"1.08 square meter","Tray Area":"1.02 square meter","The Total Volume of dehydration":"15 kg\/batch","Shelf Spacing":"70 mm","Heating mode":"Conduction mode","External dimension(mm)":"800*670*900"}}