Multi-span greenhouse vegetable greenhouse is a common environmental equipment in agricultural production. The cost of multi-span greenhouse is low and adjustable. Its function is to provide the necessary temperature, light, fertilizer, air and other conditions for the growth of crops. Multi-span greenhouse generally includes the following systems, including heating system, window opening, ventilation, cooling system, curtain system, irrigation system and electrical system. Multi-span greenhouse, each system is indispensable.

1. Light structure, impact resistance, good load performance, excellent thermal insulation performance, durable and beautiful.

2. PC board saves more than 40% energy than other covering materials.

1. Using all-steel frame keel as bracket, the service life is long, up to more than 15 years;

2. Strong wind and snow load resistance;

3. Welded frame, easy installation, economical and durable;

4. Multi-span design, large indoor space, high land utilization rate, suitable for large-scale planting and mechanized operation.