폴리에틸렌필름 폴리 커버 단동 광 부족 온실 알루미늄 아연도금

Outer PE Film Internal Blackout Poly Cover Aluminum Zinc Plating Process Single Span light Deprivation Greenhouse Description It is made of aluminized zinc steel with dark characteristics of the greenhouse, suitable for planting or breeding some animals and plants do not need light use. It is suitable for some cash crops or flower plants that do not need special dark environment. Structure introduceThe overall tunnel structure is divided into two layers of double steel frame