zig zag space saving spiral staircase

{"cid":"91205625","title":"Indoor Space Saving Spiral Staircase","imgUrl":"https:\/\/img.chinax.com\/nimg\/88\/3c\/780e558859f4dcd8a5dc5a063c45-200x200-1.jpg","attrs":{"Price":"Negotiate","Brand Name":"TESIA","Minimum Order Quantity":"1PCS","Delivery Time":"20days-30days","Certification":"CE","Place of Origin":"MADE IN CHINA","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram","Supply Ability":"6000set\/month","Packaging Details":"EO Standard packaging material and experienced packaging workers.","Product name":"Space Saving Spiral Staircase","Warranty":"5 years","Shape":"Winding Stair","Application":"Farmhouse, Farmhouse","Stair Material":"Stainless Steel","Installation":"Easy Install","Balustrade":"Steel Balustrade","Tread Option":"Checkered Plate"}}

{"cid":"91200458","title":"Steel Indoor Spiral Handrail , ISO3834 Black Metal Hand Railing","imgUrl":"https:\/\/img.chinax.com\/nimg\/47\/48\/512408302c182f7bc54315070f42-200x200-1.jpg","attrs":{"Price":"USD2500~USD5000 per set","Brand Name":"FASECbuildings","Model Number":"HZFS","Minimum Order Quantity":"5 sets","Delivery Time":"Based on client's needs like one month","Certification":"EN 1090-2-2018; ISO3834","Place of Origin":"Zhejiang, China","Payment Terms":"L\/C,T\/T, D\/A, D\/P, Western Union","Supply Ability":"1000000 sets per year","Packaging Details":"Seaworthy packing in container or bulk vessel","Material":"Steel or wood","Size":"Customized","Type":"Spiral stairs","Style":"Arc Stair","Usage":"Indoor","Installation":"Easy","Application":"Hotel, Commercial ,Villa"}}

{"cid":"91220564","title":"50mm Height 20mm-40mm Width 2.0mm-4.0mm Wire Diameter Zigzag Spring for Sofa and Furniture","imgUrl":"https:\/\/img.chinax.com\/nimg\/a1\/f7\/3bd39ef12f1e95dfbd7ce4a19dbb-200x200-1.jpg","attrs":{"Price":"USD 1.5~3\/Kg","Brand Name":"Yirilom","Model Number":"ZS-007","Minimum Order Quantity":"400Kg","Delivery Time":"7-15 Days","Certification":"SGS\/ISO9001","Place of Origin":"China","Payment Terms":"T\/T,Western Union,MoneyGram","Supply Ability":"8000000PCS Per Month","Packaging Details":"4kg\/Roll 10Rolls\/Plastic Bag","Name":"Black Sofa Zigzag Spring","Usage":"Furniture, mattress, sofa, car seat, etc.","Surface Treatment":"Anti-rust coating","Type":"Curve Zigzag Spring","Loop Height":"38mm-50mm","Loop Width":"18mm-30mm","Material":"High carbon steel wire","Packing":"Carton box or pallet","Shape":"Zigzag","Spring Height":"50mm","Spring Width":"20mm-40mm","Wire Diameter":"2.0mm-4.0mm","Coil Pitch":"4-10 turns per inch","Packing Of Spring":"4kg\/Roll 10Rolls\/Plastic Bag","Color":"Black, silver, gold, etc.","Function":"Provide support and flexibility","Items Usage":"For Sofa Seat Springs","Usage Of Items":"For Sofa Seat Springs","Items":"Sofa Zigzag Spring","Spring Diameter":"2.8mm~4.0mm","Items Name":"Sofa Zigzag Spring"}}