changing spring on garage door

{"title":"Large 310 Steel Coil Torsion Double Spiral Spring For Garage Door","imgUrl":"https:\/\/img.chinax.com\/nimg\/66\/24\/dcbe017116bc12f55db109540e27-200x200-1.jpg","attrs":{"Price":"$0.1 - $0.5USD\/ Piece\/Pieces","Brand Name":"HEZHI","Model Number":"N\/A","Minimum Order Quantity":"1000pcs","Delivery Time":"7-15 work days","Certification":"Rohs&Reach","Place of Origin":"China","Payment Terms":"T\/T, L\/C","Supply Ability":"10,000,000 Piece\/Pieces per Month According to the order","Packaging Details":"PE Bag with Carton Box","Product name":"Double Spiral Metal Coil Large Torsion Spring For Garage Door","Application":"Hardware\/ automobile\/electrommunication\/ clamp\/ etc., For Car","Load Type":"Torsion","Usage":"Machine Parts","Wire Dia":"0.05mm-20.0mm or as customer's requirments","Material":"Iron, Stainless Steel, Carbon Steel ,Piano Wire or as required","Packing details":"Inner-- PE Bag, Outer --Carton Box","Surface Treatment":"Electroplating , Heating ,Clean ,Rust-proof or as required","Color":"Customer's Demand","Service Accept":"OEM\/ODM"}}