greenhouse characters: 1 adopts hot galvanized steel structureA shape roof 2 roof and all around wall all use 4+9+4 hollow float glassglass whole tempering greenhouse characters solve greenhouse keep warm and light transmittance 2 problems in winner have good keep temperature characters distinctive glass sealing characters,complete solve leakage problem this greenhouse have good appearances,good light transmittance,goos show effect,long use life,especially for low light and geothermal energy and power pant water area is really good choose. This greenhouse can whole realize automatic control, match equipment can choose heat system,shading curtain system,thin fog or wet curtain reduce temperature system,CO2 supplement system,light supplement system,irrigation system and fertilizer systemcomputer control systemtop irrigation system... main technology data: covering materials:4+9+4 hollow float glass span:6.4/8/9/9.6/10.8/12 (m) eaves hight:3m/4m/4,5m/5.5m/6.5m column space distance:4m/8m