Greenhouse major types: plastic greenhouse structure. Such a greenhouse in different countries have different frame sizes. But overall, common greenhouse 6 ~ 12m span of four seasons in greenhouses prices bay around 4m, eaves height 3 ~ 4m. Natural ventilation based Greenhouse, in the side windows and roof windows seasons combined use greenhouses, greenhouses should be limited to a maximum width of 50m Seasons greenhouse manufacturer, preferably around 30m. Greenhouse covering material is light as all or part of four seasons envelope material how much greenhouse greenhouses in winter other unsuitable for plant growth in open season for cultivated plants or buildings. A good greenhouse, with the following characteristics: First, good light transmission properties, light utilization is high; the second is warming fast, good insulation properties; the third is easy to operate and humidity and ventilation, easy to manage; Fourth, solid structure, windproof good, long life; five is an easy construction, and less investment. How much greenhouse seasons, Communications Technology (certified), Chengdu seasons greenhouses provided by Anyang City Communications Technology Limited. Anyang City Communications Technology Co., Ltd. (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.