How is the flower greenhouse made?

Bamboo-wood structure greenhouse: bamboo and wood is generally built as an arch, which is characterized by easy material acquisition, low cost and convenient construction, but the arch is easy to decay and needs regular maintenance every year, and there are often pillars in the shed, so it is not convenient to work in the shed. Simple steel pipe greenhouse: the arch frame material is composed of black iron pipe or galvanized black iron pipe, which is processed by various places. Cement arch greenhouse: the use of cement bars and cement scaffolding for the construction of materials, long service life, is widely used in production.