Structure type greenhouses: the greenhouse is composed of bamboo poles, cement poles, light pipe or pipes and other materials to make the skeleton, made the column, bar, rod and lever arch greenhouse cost of yin and yang, covered by plastic film and become rounded arches the feed shed. General area covered by greenhouses for 1-3 acres of yin and greenhouse construction, easy to manage. But may be more than one shed covering a large area. Tall inconvenience due shed with straws were cold, but cold in the shed were within the multilayer film, the temperature of the greenhouse, mainly from solar radiation. Features greenhouses: humidity conditions. Yin and yang of the greenhouse relative humidity reaches saturation greenhouse manufacturers, improving Pengwen can reduce humidity, such as humidity at 5 ℃, each increase of 1 ℃ temperature and humidity was reduced by approximately 5%, when the temperature is 10 ℃, every increase of 1 ℃ temperature, humidity is reduced by 3-4%. When not in the studio to increase the water vapor content in the air, when Pengwen at 15 ℃, relative humidity of about 7%; when raised to 20 ℃, relative humidity of about 50%. Yin and yang greenhouse cost _ Communications Technology (certified) _ Zhengzhou yin and 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_37645840.html), for more information about the company.