rectangular duct connection fire alarm system

{"cid":"91151403","title":"Fire Dampers Rectangular Duct Connection Fire Alarm System In Galvanized Steel","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/85\/ba\/1fc8d0da1ed4a29b17da3a245dae-200x200-1.jpg","attrs":{"Price":"negotiation","Brand Name":"Guangzhou Xingjin Fire Equipment Co.,Ltd.","Model Number":"FHF-W\/FHF-W-K\/FHF-WS-FK\/FHF-WSDC -K","Minimum Order Quantity":"2set system","Delivery Time":"15-20 working days after payment or receipt of L\/C","Place of Origin":"Guangzhou, Guangdong, China","Certification":"GSG\\TUV","Payment Terms":"T\/T, L\/C","Supply Ability":"30000 sets per month","Packaging Details":"Plywood outer box with bubble bag or paper","Shape":"Customized","Color":"Silver","Origin":"Guangzhou, Guangdong, China","Material":"Galvanized Steel\/stainless Steel","Product Name":"Fire Damper","Function":"Smoke Exhaust\/ventilation","Design Style":"Modern","Usage":"Rectangular Duct Connection System"}}

{"cid":"91171815","title":"Eco Friendly Rectangular Duct Fan Blower 220v With High Air Pressure","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/05\/05\/e7a5ca502be616db38946f70bd47-200x200-1.jpg","attrs":{"Price":"1-100USD","Brand Name":"OFAN","Model Number":"RK250*125FM","Minimum Order Quantity":"1","Delivery Time":"10 work days","Certification":"CE CCC ROHS","Place of Origin":"China","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram","Supply Ability":"10000per","Packaging Details":"Conventional packaging","Model Numbe":"Rectangular Duct Fan Blower","Feature":"Eco Friendly","Power":"40W","Advantage":"High Air Pressure","Size:":"250*125","frequency":"50\/60hHZ","current":"0.18A","Speed":"1140RPM"}}