iso9001 motorized m motorized modulating dampers odulating dampers

{"cid":"91186551","title":"Residential Motorized Zone Dampers \/ Galvanized Steel Motorized Modulating Dampers","imgUrl":"https:\/\/img.chinax.com\/nimg\/b2\/cd\/ed5a5c63295ff2da2bfda66bd1f9-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"SAIKO","Model Number":"SK-F","Minimum Order Quantity":"50PCS","Delivery Time":"5 workdays","Place of Origin":"Nanjing","Payment Terms":"Western Union, T\/T","Supply Ability":"1000Set\/Week","Certification":"CE","Material":"Galvanized Steel","Type":"Ventilation","Size":"DN100,DN125,DN150,DN200,DN250,DB300,DN350","Power":"24VAC\/220VAC"}}

{"cid":"91220377","title":"S4 25% Motor Duty Modulating Intelligent Electric Actuator with 30000\/Year Production Capacity for Valve\/Damper\/HVAC","imgUrl":"https:\/\/img.chinax.com\/nimg\/c8\/17\/ed0d98f24579c9275fa7da5ea4af-200x200-1.jpg","attrs":{"Price":"200","Minimum Order Quantity":"1","Model NO.":"Z Series","Power Source":"Electric Power","Temperature":"Ordinary Temperature","Connection":"Flange","Material":"Aluminum Alloy","Motor":"Electric Motor","Thermal Protection":"Yes","Explosion Proof":"Yes","Battery Backup":"Yes","Bluetooth Connection":"Yes","Voltage":"380V\/110V\/220V\/440V\/660V AC or 12V\/24V DC","Rated Frequency":"50HZ\/60HZ","Speed":"9r\/min,18r\/min,24r\/min,36r\/min\/48r\/min","Control Method":"on-off or modulating.4-20mA","Protection Grade":"IP65\/IP67\/IP68"}}