the net is a polyethylene (HDPE) material by adding UV stabilizers, anti-oxidants, the pipeline from the production of lightweight, high-strength, anti-aging, large-area coverage to promote the new multi-purpose materials, the ability to adjust control environment, optimizing climate and improve plants in the growth of adverse climate conditions, is a realization of security or high-yield, high-quality agricultural cultivation techniques. In vegetables, flowers, edible mushrooms, fruits, medicinal herbs aquaculture industry, and other fields has rapidly expanded and made obvious economic benefits,.Products are sold as far as Europe,Australia,Asia.