What Is A Polytunnel Greenhouses

Plastic greenhouses, commonly known as cold sheds, are simple and practical protection cultivation facilities. Because of their easy construction, convenient use and less investment, with the development of the plastic industry, they are widely used by countries all over the world. The use of bamboo, wood, steel and other materials, and covered with plastic film, builds an arched shed for cultivating vegetables, which can early or delay the supply, increase the yield per unit area, and help guard against natural disasters, especially in the northern region. Serve fresh vegetables.