roller shutter parts with convenient chain

{"cid":"91224608","title":"Roller shutter zipper device Easier Operation Rolling Door Operating Chain Hoist with Convenient Chain Gear","imgUrl":"https:\/\/img.chinax.com\/nimg\/40\/1c\/e39ea677d08b7779d904214303eb-200x200-1.jpg","attrs":{"Brand Name":"xinchengwei","Minimum Order Quantity":"thirty","Delivery Time":"5-15working day","Place of Origin":"Foshan, China (Mainland)","Payment Terms":"L\/C,D\/A,D\/P,T\/T","Supply Ability":"100000","Packaging Details":"Carton (Packaging)","Product Name":"Operating Chain Hoist for Rolling Doors","Applicable Industries":"Building Material Shops, Rolling Shutter Door Manufacturing, Roller Up Door Factories, Window Manufacturing, Rolling Steel Doors","Supply":"Professional Manufacturing with Quality Assurance","Packing Quantity":"1 set per box","Packing Type":"Package in box","Packing Weight":"11.2 kgs","Other Keywords":"Roller Shutter Door Manual Chain Hoist","Packing Size":"28 * 15 * 29.5 cm"}}