metal zigzag snake shape s spring

{"cid":"91220564","title":"No Sag Metal Zigzag Snake Shape S Spring For Sofa","imgUrl":"https:\/\/img.chinax.com\/nimg\/70\/38\/65b6c88c42a4b53ced3363a2cef1-200x200-1.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"}}