The plastic film greenhouse structures covering material is plastic film, which is usually divided into single-layer film greenhouse and double-layer film greenhouse. The film has 80~200mic PE or PO film. The greenhouse structure is an arch type. It has high praise from domestic and foreign customers for its economical and cost-effective design, elegant appearance, convenient installation and maintenance, and durability. In view of its thermal insulation properties,single-layer film greenhouse is mostly used in spring and autumn or mild climate regions. The film greenhouse is used for flowering and vegetable growing.