ansi electromagnetic fire door closer frd

{"cid":"91188155","title":"Electromagnetic Release Fire Door Closers Fire Window Temperature Control Rod Pit Free Spring","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/82\/8c\/43db0b41c2286f80a147cd4ca32c-200x200-1.jpg","attrs":{"Price":"Negotiable\uff08very competitive\uff09","Brand Name":"GRH","Minimum Order Quantity":"1000 pieces","Delivery Time":"20 days to 40 days after receive the deposit","Place of Origin":"CHINA","Payment Terms":"L\/C, D\/P, T\/T at sight.","Supply Ability":"1000000 pairs per month","Packaging Details":"Each set is packed independently, one for each 500 sets.","Name1":"Fire door electromagnetic release","Name2":"Fire window temperature contol rod","Name3":"Pit free spring","Transport":"by sea or y air","Usage":"door","Brand name":"GRH"}}

{"cid":"91221833","title":"Aluminum Alloy Auto Door Closer Automatic Sensor Door Closer","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/3e\/52\/9364f0eace28596cd3eafb942ceb-200x200-1.jpg","attrs":{"Price":"$5.10\/pieces 50-499 pieces","Brand Name":"TAKY","Model Number":"TK-P007","Minimum Order Quantity":"50 pieces","Place of Origin":"Guangdong, China","Warranty":"5 years","After-sale Service":"Online technical support, NONE","Project Solution Capability":"graphic design, Cross Categories Consolidation, Others","Application":"Hotel, Fire Door","Design Style":"Modern","Product Name":"Good Quality Factory Directly Automatic Heavy Duty Door Closer","Color":"Sliver or Customized","Max door weight":"45-55kg","Door size":"less than 950mm","Temperature":"-40 degree-60 drgree","packing":"1pcs in a inter box 10 pcs in a big outer box","Used":"all metal&steel&plastic door","Operation":"Safe Application Standard Door Closer"}}