galvanized sheet dc24v circular fire dampers

{"cid":"91170599","title":"Galvanized Sheet Volume Control Damper For Correct Air Flow Distribution","imgUrl":"https:\/\/img.ismap.com\/nimg\/8c\/25\/28f41034efadeb7c846b1685aa0e-200x200-1.jpg","attrs":{"Brand Name":"Zhisheng","Model Number":"ZS-YF","Minimum Order Quantity":"20 sets","Delivery Time":"about 15 days upon receipt of deposit","Certification":"ISO9001","Place of Origin":"Guangdong, China (Mainland)","Supply Ability":"200 sets per month","Packaging Details":"plywood case","Material":"galvanized for base","Type":"round air volume damper","Control":"Manual","Color":"blue","Size":"customar's cize","Application":"correct air flow distribution"}}

{"cid":"91144797","title":"16 Station Forming Stage Fire Damper Roll Forming Equipment Galvanized Steel thickness 1.5-2mm Fully Automatic","imgUrl":"https:\/\/img.ismap.com\/nimg\/f3\/c9\/aaa5d4fd8614156c781a23a667c5-200x200-1.jpg","attrs":{"Price":"negotiable","Brand Name":"Sussman","Model Number":"SS-FD","Minimum Order Quantity":"1 set","Delivery Time":"55-65 days after deposit","Certification":"CE","Place of Origin":"Wuxi Jiangsu China","Payment Terms":"T\/T L\/C","Supply Ability":"10 sets per months","Packaging Details":"Standard packing","Material Thickness":"1.5-2.0mm","Forming Speed":"8-10 m\/min","Main Motor Power":"11Kw","Forming Stations":"about 16 stations","Roller material":"GCr15, high frequency quenching treatment","Shaft material":"45# high grade steel with quenching treatment","Cutting way":"hydraulic cutting","Punching":"Hydraulic punching","Transmission":"Chain drive"}}