Shed the history and function: 1966 Changchun first to a small shed converted into a 2-meter square shed. But poor resistance to snow and collapsed after several alterations to try new agricultural greenhouses, and finally created a novel about two meters high agricultural greenhouses offer, 15 meters wide, covering an area of ??1 acre arched greenhouses. 1970 promotion to the rest of the north. 1975, 1976 and 1978 held three "national plastic greenhouse vegetable production research collaboration will be" meeting on the development of greenhouse production played a role. Features greenhouses: the lighting conditions. In the period covered by the film due to dust pollution will greatly reduce the transmission rate, two days after the new film using new agricultural greenhouses cost, can reduce dust pollution 14.5% transmittance. 10 days will be reduced by 25%, 28% or less after a half lower. Under normal circumstances the construction of new agricultural greenhouses, because dust pollution can reduce the transmission rate of 10-20%. Severe pollution, the amount of light shed by only 7%, while the resulting degree can not be used. The new price of agricultural greenhouses, Communications Technology (certified), Wuhan new 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_42392210.html), for more information about the company.