bonnell spring unit with 7 turns

{"cid":"91220564","title":"Bonnell Spring Unit Manufacture Springs Bonnell Mattress With 4-7 Turns","imgUrl":"https:\/\/img.ismap.com\/nimg\/90\/ee\/3cd8f3a836cbb9519136b89c7a53-200x200-1.jpg","attrs":{"Price":"USD 18~29\/PCS","Brand Name":"Yirilom","Model Number":"BS-058","Minimum Order Quantity":"20PCS","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":"Compressed Rolled Packing:10-20PCS\/Pack","Spring Turns":"4~7 Turns","Material":"Bonnell Spring, Foam, Fabric","Items Name":"Mattress Bonnell Spring","Name Of Spring":"Mattress Bonnell Spring","Price Range":"$200-$500","Spring Type":"Bonnell","Cover Material":"Cotton, Polyester, Bamboo","Support System":"Coil Spring, Pocket Spring, Memory Foam","End Diameter":"60-90mm","Motion Isolation":"No","Products Packing":"Flat Compressed With Wooden Pallet","Support Layer":"Bonnell Spring System","Warranty":"10 years","Turns":"4-8","Comfort Level":"Plush"}}

{"cid":"91203613","title":"4-8 Turn Rings 4.5KW Mattress Spring Making Machine 1500kg","imgUrl":"https:\/\/img.ismap.com\/nimg\/cd\/06\/ee5ac5007b17bb147784805b7086-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"NOBO","Model Number":"NOBO-FS-65s","Minimum Order Quantity":"1Sets","Delivery Time":"15-45 work days","Certification":"CE","Place of Origin":"Foshan,china","Payment Terms":"T\/T, L\/C","Supply Ability":"2 Set\/Sets per Month","Packaging Details":"Standard packing","Manufacturer":"NOBO China","Name":"spring assembly machine for Mattress spring making machine","Weight":"1500kg","Rings of springs":"4-8turns","Diameter of steel wire":"0.0018-0.0025m","Keywords":"Mattress Spring Making Machine"}}