DAWN Characteristic and InnovationDAWN Self-heating and Cold Resistant Greenhouse, is a type of efficient, energy saving, zero pollution greenhouse, integrated a number of patented techniques, latest protected agriculture technology system and innovation achievements. Consuming a great number of scientific research resource, DAWN was independent developed by Rural Life Agricultural Technology LLC and was designed based on the consideration of a numbers of solar greenhouse design factors, including structure materials, greenhouse orientation, surface angle, greenhouse thermal storage, thermal preservation, environment illumination etc. Warm season vegetables, like tomato and cucumbers, are able to grown inside without extra heating when outside lower than -30 degree centigrade.(-22 Fahrenheit degree ).Technical Advantage and Specialty(1) Fully depend on solar resource, no fire, no carbon, zero release.(2) Thermal is self-collected and stored in the wall. Heat is quickly absorbed and slowly released, so that temperature could be regulated in an effect of air conditioner. (3) High light efficiency, average light transmission is 85%, light in the greenhouse is enhanced 10% by the reflective design of arch. Arch coating is no harm the film. (4) Good heat preservation, the biggest temperature difference between inside and outside is 40 degree centigrade.(72 Fahrenheit degree ).(5) The lifetime of the coated steel rectangle structure reaches to 20 years. (6) Greenhouse skeleton is modular designed and produced, can be recycled use. (7) Heat insulated curtain we export to Israel has the advantages of light, good heat keeping, super resist to aging, water proofing, good water drainage, low pressure to structure etc.