shutter door spring box with nylon ball

{"cid":"91224608","title":"140mm Outer Diameter Galvanized Steel Spring Box with Nylon Ball and Inner Ring for Rolling Shutter Doors","imgUrl":"https:\/\/img.chinax.com\/nimg\/43\/3e\/411b7516b544deea2ce55d140af8-200x200-1.jpg","attrs":{"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":"Nylon Ball Spring Box (Nylon Bead and Ring)","Application":"Spring Box for Rolling Shutter Door \/ Roller Shutter Door \/ Gate","Origin":"Factory Direct","Surface Treatment":"Galvanized Steel","Outer Diameter":"140mm","Inner Roller Material":"Nylon Ball and Inner Ring","Packing":"10 pieces per bag","Bag Colors":"Yellow, Blue"}}