Structure type greenhouses: the greenhouse in early spring stamped shed, Pengwen can increase 2-4 ℃ manufacturer of agricultural greenhouses, Beijing area in the shed covered with straw mat stamped shed, January to shed before sunrise observation temperature can be increased by about 5 ℃. Multilayer film covering also get better results. Greenhouses covering a larger area, the space cost of agricultural greenhouses, thermal effect is better, easier to build agricultural greenhouse construction, and low cost, is the current application of the broader protection facilities. Features greenhouses: the regulation of air humidity. Variation of greenhouse air humidity: plastic film closed strong, the greenhouse air with outside air exchange is hindered, soil evaporation and transpiration of water vapor foliage difficult diverge. Greenhouse air relative humidity decreases as the temperature increases, often to 100% at night. Shed after cold wet air condenses into water film or droplets attached to the inner surface of the film or plants. Agricultural greenhouses manufacturers _ Communications Technology (certified) _ Shijiazhuang agricultural greenhouses provided by Anyang City Communications Technology Co., Anyang City Communications Technology Co., Ltd. (www.aytlkj.com) (www.aytlkj.com) is Anyang, a leader in agricultural supplies, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Communications technology leadership in the staff warmly welcome all inquiries negotiations to create a better future for Communications Technology. You can also access (www.aytlkj.com/supply_details_39235765.html), for more information about the company.