manual or electric roll up ventilation double span greenhouse

{"cid":"91217855","title":"Single-Span Tunnel Greenhouse with Manual or Electric Roll Up Ventilation for Vegetable Fruits Flowers and Single Layer Design","imgUrl":"https:\/\/img.chinax.com\/nimg\/b0\/6e\/4c93457e06c197eb96f9667f3b16-200x200-1.jpg","attrs":{"Price":"$1.00 - $4.00\/ square meter","Brand Name":"BAOLIDA","Model Number":"BAOLIDA-Plastic Film Greenhouse","Minimum Order Quantity":"100 square meter","Delivery Time":"15 work days","Certification":"ISO9001:2008","Place of Origin":"China","Payment Terms":"D\/A,L\/C,D\/P,T\/T,Western Union,","Supply Ability":"10000 Square Meter\/Square Meters per Month Agriculture Greenhouse","Packaging Details":"Wooden Case Packing","Manufacturer":"Baolida","Size":"Large, Customized","Material":"PE","Type":"Single-Span Agricultural Greenhouses","Layer":"Single","Covering":"150\/200micro PE Film","Frame material":"Hot Dip Galvanized Steel Tube","Ventilation":"Manual or Electric roll up ventilation","Side height":"1.8-3.5m","Total height":"3-5m","Arch space":"1-2m","Application:":"Vegetable Fruits Flowers"}}

{"cid":"91196046","title":"Large Size Multi Span Greenhouse \/ Commercial Pe Film Greenhouse Sheet Cover","imgUrl":"https:\/\/img.chinax.com\/nimg\/4d\/1f\/4dc6d4a480e8457a2a201592b740-200x200-1.jpg","attrs":{"Price":"USD 3-8\/sqm","Brand Name":"BAOLIDA","Model Number":"BLD-202014","Minimum Order Quantity":"Negotiation","Delivery Time":"15 workdays","Certification":"ISO9001:2008","Place of Origin":"Sichuan,China","Payment Terms":"D\/A, D\/P, Western Union, T\/T","Supply Ability":"50000000sqm per month","Packaging Details":"standard package","product name":"Large Size Agricultural Multispan Greenhouse For Comercial Sale","application":"vegetables","size":"large","structure":"steel frame and plastic covring","material":"Hot dip galvanized pipe and PE film","color":"clear","Ventilation":"Fully Automated ventilation","Type":"Stable Structure Easily Assembled","Optional system":"Cooling System.irrigation System.ventilation.etc","Usage":"Growing Vegetable"}}

{"cid":"91204437","title":"Customized 60W To 120W Greenhouse Electric Film Roller High Torque Low Noise","imgUrl":"https:\/\/img.chinax.com\/nimg\/99\/a0\/0a59d062aca931fc1bd3c98e6149-200x200-1.jpg","attrs":{"Price":"84 usd-120 usd","Minimum Order Quantity":"10 sets","Delivery Time":"3-7 days","Place of Origin":"China","Payment Terms":"T\/T","Supply Ability":"10000 sets","Packaging Details":"In carton","Name":"Greenhouse Accessories","Application":"For Natural Ventilation System Used","Power":"40w\/60w\/100w\/120w","Warranty":"3 Years","Voltage":"220v\/customized","Advantage":"Cheap"}}