China's modern greenhouse materials are glass, double film, but now the most respected material by everyone is the PC sheet.
First, the life of greenhouse film is probably only one year. And weather conditions were also required good during the year, otherwise it will retire early.Considering the anomalous weather caused by the greenhouse effect in recent years, the possibility of such a sudden situation is still very high. The losses caused by it is much more than the original purchase of the sun plate amount. There are more advantages to use PC sheet than greenhouse film in the long term. 
Second, Light transmittance of PC sheet is up to 88% , which makes the PC sheet in a wider range of applications with the price and the use of effects on the cultivation of vegetables
Third, Multi-layer hollow structure can greatly reduce the strong exchange of hot and cold air. Greenhouse is in no dripping state, with less indoor mist. Indoor relative humidity is below 80% in long time, reducing the plant pests.
Fourth, Multi-layer hollow structure can maintain temperature very well, with good energy storage capacity for the solar energy, and the temperature of the greenhouse slow down at night, which belongs to high insulation covering material.
Fifth, there are stiffeners in Multi-layer hollow structure. It can resistant strong wind, with anti-snow pressure ability, not easy to tear.
Sixth, High-quality PC sheet greenhouses have a long service life, avoiding changing every year to save time. There are more than 20 years of use records in abroad.
It is advisable for greenhouse to use PC sheet in a long term.