The greenhouse features hto-dip galvanized steel tube and high-strength composite metal plastic tube construction;covered with PVC light panel and heat preservation and high refraction films;heay-section gutter which ensures sufficient drainage;electric scuttles on both ends;high power ventilator is equipped inside the house to draw out hot air with forced ventilation,which also forms a satisfactory ventilation system along with the scuttles,with a entilated area of up to 80%;additional features include automatic irrigation system,insulation system,sun-shading system and pad,which maintain satisfactory internal environment through winter and summer. Features: Cooling system:ventilation cooling,spraying cooling,pad cooling,turbine forced air cooling; Heating system:insulation,water-heating,fuel oil hot air heating; Micro-spray system:manure and water control,trael micro-spray system control; Supplemental lighting system:lighting source selection,supplementing grade control; Control system:computer system,electrical control system,sensing system; Properties: Temperature:when ambient temperature is between -20℃-38℃,indoor temperature≥10℃ in winter,≤32℃ in summer,accuracy+2℃; Humidity:65%-85%,accuracy+3%; Lighting:range 1-1000ppm; Structure durability:wind grade 11; Snow load:0.3KN/㎡. Above equipment feature state-of-the-art workmanship and technology and are good for high-premium plants or omamental greenhouse.