spring box with tall iron beads

{"cid":"91224608","title":"Steel Unassembled Rolling Door Spring Box High Strength With Tall Iron Beads","imgUrl":"https:\/\/img.chinax.com\/nimg\/62\/44\/b2f3e9922943b00c7087c2edd344-200x200-1.jpg","attrs":{"Price":"","Brand Name":"XINCHWENGWEI","Model Number":"1-1","Minimum Order Quantity":"Thirty","Delivery Time":"5-15workingday","Certification":"ISO9001","Place of Origin":"CHINA","Payment Terms":"L\/C,D\/A,D\/P,T\/T","Supply Ability":"100000","Packaging Details":"Ten per paper bag","Product Name":"UNASSEMBLED SPRING BOX","Application":"Spring Box for Rolling Shutter Door\/Roller Shutter Door\/Gate","Origin":"Factory Direct","Surface Treatment":"Galvanized Steel","Outer Diameter":"200mm, 220mm, 240mm","Inner Diameter (Tube Diameter)":"43mm, 48mm, 50mm, 60mm, 76mm or custom sizes available","Inner Roller Material":"Nylon Ball and Inner Ring","Packing":"10 pieces per bag"}}