1. Product description：
Multi span film steel structure greenhouse are also called arched multi-span greenhouses. The advantages of this style of multi-span greenhouses are economical cost, simple installation structure, and fast construction speed.
Multi span film steel structure greenhouse are mainly used for seedling cultivation, vegetable cold sheds, grape and kiwi rain shelters, and flower planting sheds in northern my country (flower sheds mostly use double-film structures). In the southern region, they can be used as vegetable production sheds all year round.
2. Greenhouse system：
(1) ventilation systems:
The ventilation system can be divided into top ventilation and side ventilation. According to the customer's needs and different local climate conditions, a ventilation system suitable for the local area is designed.
(2) Shading System:
The shading system is divided into internal shading system and external shading system.
Equipped with shading system, it can block excess sunlight, adapt the temperature inside the greenhouse to crop growth, and avoid the effects of excessive temperatures.
(3) cooling system:
The greenhouse cooling system consists of fan and cooling pad.
First, the air enters the greenhouse through the cooling pad, and then the high temperature in the greenhouse is discharged through the fan, which finally plays the role of cooling, humidifying and air dust removal in the greenhouse.
