... 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- ... !Tel: 0086-513-88857885, 0086-513-88867885 green house(ISO9001:2000) with satisfying price!