Greenhouse major types: large multi-span plastic greenhouse past ten years and has been an emergence of rapidly growing greenhouse type. Compared with glass greenhouse, it has a light weight, frame materials with less shading rate structure of small, low cost, long life and other advantages, the environmental regulatory capacity can basically achieve the same level of greenhouse glass greenhouse seasons manufacturer plastic greenhouses user acceptance worldwide is far higher than the cost of greenhouse glass greenhouse seasons, becoming the mainstream of modern greenhouse development. Greenhouse irrigation methods: drip emitters mounted on through the capillary water drops evenly but slowly dropped near the plant root zone soil, the soil by means of capillary force, the moisture in the soil infiltration and proliferation for plant roots to absorb and utilize greenhouse construction seasons, always in a non-saturated soil moisture, soil loose and breathable, conducive to plant growth. Four Seasons Greenhouse construction _ Communications Technology (certified) _ Four Seasons Greenhouse Shijiazhuang provided by Anyang City Communications Technology Limited. Anyang City Communications Technology Co., Ltd. (www.aytlkj.com) is Anyang, a leader in agricultural supplies, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Communications technology leadership in the staff warmly welcome all inquiries negotiations to create a better future for Communications Technology.