The overall size of these greenhouse plastic greenhouses in different countries have different structural dimensions. But overall, common greenhouse span 6 ~ 12m, bay about 4m, eaves 3 ~ 4m. Natural ventilation based Greenhouse, side and roof windows when used in combination, the maximum width of the greenhouse should be limited to within 50m, preferably around 30m; and Connected Greenhouse dominated by mechanical ventilation, greenhouse maximum width extended to 60m, but preferably limited to about 50m; length of greenhouse greenhouse project construction, (from the perspective of ease of operation) is preferably limited to less than 100m, but there is no strict requirements. Glass greenhouse glass greenhouse is a glass conservatory transparent cover material. Design requirements for foundation design in greenhouses greenhouse project, in addition to meeting the requirements in the strength of intelligent greenhouse project, should have sufficient stability and resistance to uneven subsidence, coupled with the support base of the stud should have a sufficient level of power transfer The role and dimensional stability. The bottom of the greenhouse should be located in the permafrost below, heating the greenhouse effect may be considered on the basis of heating deep freeze according to the climate and soil conditions. Usually the bottom of the foundation should be less than 0.5 meters above the ground outside, top of the foundation and the ground outside the distance should be greater than 0.1 m, in order to prevent exposure and adverse effects on the basis of cultivation. In addition to special requirements, greenhouse top of the foundation and the ground from the interior should be more than 0.4 meters. Independent basis. Typically use of reinforced concrete. Greenhouse construction, Weihai greenhouse project, greenhouse gardening morning to fly to fly by morning Greenhouse Horticulture Limited. Chen Fei Greenhouse Horticulture Limited (www.chenfeiyaunyi.com) (www.chenfeiyuanyi.com) strong, credible, Shandong Weifang flowers industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead morning to fly glasshouse horticulture into the brilliant and you work for a better future!