Solar GreenhouseSolar greenhouse is a kind of most typical greenhouse used in cold climate area. The characteristic of this kind of greenhouse is three sides of greenhouse use brick or soil wall or other material that can keep the thermal. The sunny slope use film or PC sheet cover. The thermal from daytime can be kept inside greenhouse and released at night. This kind of greenhouse save energy and is more economic, but the planting space is limited.   Quality Manage System Certificate Since 2009