Greenhouse seedbeds are mainly used for growing seedlings, flowers, grass plants, and bonsai flowers in greenhouses or greenhouses. The hot-dip galvanizing process is generally used, and the bolts are galvanized bolts. The service life of the main body is generally more than 10 years. The width of each seedbed is recommended to be about 1.7 meters, and the length should not exceed 45 meters.