light dep greenhouse top and sides ventilation

{"cid":"91204437","title":"PE Film 220V Auto Light Dep Greenhouse 100% Blackout High Tunnel Greenhouse","imgUrl":"https:\/\/img.ismap.com\/nimg\/ed\/4b\/30a07497425d26e050183a6a8d0a-200x200-1.jpg","attrs":{"Price":"USD12.9-24.8 per square meters","Brand Name":"AX Greenhouse","Model Number":"AX-LDGH005","Minimum Order Quantity":"240sqm2","Delivery Time":"20-25 work days","Place of Origin":"China","Payment Terms":"T\/T","Supply Ability":"20000acres per month","Packaging Details":"Package, cartons","Product name":"Light deprivation greenhouse\/light dep greenhouse","Application":"Special Medical Plants growing","Frame material":"Hot galvanized steel pipe","Feature":"Stable structure Easily Assembled","Optional system":"Cooling system, Ventilation System, lighting, etc","Covering":"Plastic film, PC sheet"}}

{"cid":"91217855","title":"Ventilation System Polycarbonate Greenhouse PC Herbs Greenhouses With Blackout Curtain","imgUrl":"https:\/\/img.ismap.com\/nimg\/d7\/22\/a5bb778509ed0a810f5597de453c-200x200-1.jpg","attrs":{"Price":"20-35 USD","Brand Name":"BAOLIDA","Model Number":"BAOLIDA-Automatic System Greenhouse","Minimum Order Quantity":"500 Square meters","Delivery Time":"15 work days","Certification":"ISO9001:2008","Place of Origin":"China","Payment Terms":"L\/C, D\/A, D\/P, T\/T","Supply Ability":"500000 square meters per month","Packaging Details":"Wooden Case Packing","Product Name":"Polycarbonate Greenhouse","Shading System":"Outside Black and White Film","Optional System":"LED grow Light\/Cooling System\/Cultivation System","Features":"Automatic Control System\/Monitoring system","Covering":"Black and white film\/Transparent PE Film","Length":"30-60m","Width":"8-9m","Height":"2.8-5m","Material":"Hot Dip Galvanized Steel","Application":"Medical Plants Growing"}}