Greenhouse performance indicators: greenhouse durability. Steel conservatory, force main structure commonly used thin-walled steel film greenhouses construction, poor self-corrosion resistance, the use of hot-dip galvanized surfaces must be embalmed in the greenhouse, the coating thickness of 150 to 200 microns or more, to ensure 15 years of life. For wooden structures or welded steel truss structure greenhouse film greenhouse construction companies must ensure that once a year for anti-corrosion surface treatment. Precautions toxic greenhouse gases: rational fertilization. Canopy administered through the fermentation of organic fertilizer must rot hot film greenhouses designed to be high-quality fertilizer, urea, calcium phosphate should be mixed fertilizer too. To basal 20 cm deep application, topdressing fertilizer to reach a depth of about 12 cm, after timely watering facilities. Ventilation. In Qingnuan weather, should be combined to adjust the temperature for ventilation, rain and snow should also be appropriate for ventilation. Film greenhouses Price | Communications Technology (certified) | Shijiazhuang film greenhouses 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.