how to make a murphy bed

{"cid":"91188155","title":"High Quality Murphy Bed Frame with Mechanism Portable Bed Frame Bed Metal Frame","imgUrl":"https:\/\/img.chinax.com\/nimg\/dd\/ab\/e00602a087d0e01ddad2ad461ba2-200x200-1.jpg","attrs":{"Price":"Negotiable\uff08very competitive\uff09","Brand Name":"GRH","Model Number":"B003,B007,B005,B006","Minimum Order Quantity":"1000pcs","Delivery Time":"20 days to 50 days after received the deposit.","Packaging Details":"1 piece\/poly bag , 1 pair per inner box , 20 pairs per master carton .","Tube Body":"20# Precision Seamless Steel Tubes","Application":"Living Room, Bedroom, Hotel, Apartment, Hospital, School, Supermarket, Other","Payment Terms":"L\/C, D\/P, T\/T, Western Union","Corrosionresistance":"Yes, Powder Coated For Rust Protection","Usage":"Bedroom Funiture","Logo":"We Can Stick Yours","Supply Ability":"30000 Piece\/Pieces per Month","Mountingtype":"Ball Socket Or Bracket Mounting","Load Type":"Gas","Package Quantity":"2 Pieces","Place of Origin":"Zhejiang,China","Type":"Furniture Hinge","Color":"Silver, Black"}}

{"cid":"91094646","title":"Heavy Duty easy installation homeuse gas spring supports for murphy bed 1200n","imgUrl":"https:\/\/img.chinax.com\/nimg\/39\/b6\/5ab3a89e8ccdc14dac28de83b5d8-200x200-1.jpg","attrs":{"Price":"USD1.4~USD2.5\/PCS","Brand Name":"CSZY","Model Number":"YQ","Minimum Order Quantity":"20PCS","Delivery Time":"4-7WORKING DAYS","Place of Origin":"Guangdong, China (Mainland)","Style":"Cylinder","Load Type":"Gas","Material":"Steel","Usage":"Furniture|Toyota|Automobile","color":"black","force":"100N\/300\/as request","Packaging Details":"STANDARD EXPORT PACKIING.Or as requirement","Delivery Detail":"7 working days","Feature":"Heavy Duty|self - locking bar","Force":"200N - 2000N","Gas resource":"Nitrogen","Product name":"Gas spring","Supply Ability":"10000PCS PER DAY"}}