This product is a solution to the domestic greenhouse presence of air leakage, water leakage, shading and easy embroidered, absorbing foreign technology, designation and production. The load-bearing skeleton is made of high quality hot-dip galvanized steel, aluminum extrusions side windows for the steel window structure, roof and skylights. A large area of glass, plastic moldings seal, skylight opening and closing by mechanical is hand-cranked. Suitable for vegetable, flower seedlings, breeding and cultivation. Glass greenhouse Greenhouse covering material mainly uses translucent glass. High light transmittance is very suitable for high light crops. Using single-layer glass-covered greenhouse known as a single-layer glass greenhouse. Greenhouse covered with double-glazed called double hollow glass greenhouse. the ordinary glass greenhouse glass is generally float sheet glass, usually chosen 4mm, 5mm thick two kinds of specifications, which is commonly used in Europe and other regions 4mm thick glass, 5mm thick multi hail selected specifications. The steel-framed structure mainly uses for vegetable seedling cultivation, planting vegetables, fruits, and ordinary flowers, etc... Long life, good stability, rain proof, wind proof, and other functions, high degree of automation.