3 8 mm roll zig zag spring

{"cid":"91220564","title":"Sofa Spring Manufacturer Custom 3.8 Mm Roll Zig Zag Spring For Furniture Sofa Chair","imgUrl":"https:\/\/img.chinax.com\/nimg\/13\/55\/015f98b3e95222bd6132c5b28319-200x200-1.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","Packing Of Items":"4kg\/Roll 10Rolls\/Plastic Bag","Spring Width":"20mm-40mm","Items Packing":"4kg\/Roll 10Rolls\/Plastic Bag","Shape":"Zigzag","Function":"Provide support and flexibility","Size":"Customized","Spring Diameter":"2.8mm~4.0mm","Surface Treatment":"Electroplating, Powder Coating, Phosphating","Product Packing":"4kg\/Roll 10Rolls\/Plastic Bag","Usage":"Furniture, Sofa, Chair, Mattress"}}