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"}}

{"cid":"91221796","title":"Convenient 300kg Electromechanical Chain Drive Garage Door Opener with Remote Control","imgUrl":"https:\/\/img.chinax.com\/nimg\/17\/10\/e98bf2ee118796369fd7169cb5d8-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Universal","Minimum Order Quantity":"20","Model NO.":"YZ-300-1P","Structure":"Wheeled","Driving Type":"Electromechanical","Electric Current Type":"AC","Brand":"Universal","Phase":"1 Phase\/3 Phase","Voltage":"230 VAC","Frequency":"50 Hz","Max Uplift Weight":"600kg","Max Upgrade Height":"6 M","Business Type":"Manufacturer","Application":"Roller Shutter, Roller Door, Garage Door","Remote Control":"with Remote Control","Function":"Fixed","Trademark":"Universal","Transport Package":"Standard Export Packing","Specification":"European Standard, ISO","Origin":"Fujian Xiamen","HS Code":"85012000","Port":"Xiamen, China","Supply Ability":"10000 PCS\/Month","Payment Terms":"L\/C, T\/T, Western Union, Paypal","Place of Origin":"China","Certification":"ISO 9001"}}