Multi-span greenhouses covering a large area of ??land use fully, the greenhouse temperature high temperature stability, cushioning and strong. In order to strengthen the country's cold insulation, raising the temperature inside the greenhouse at night to reduce heat radiation at night and the use of multi-layer film covering. Multilayered canopy cover is then covered with a layer or layers of film, performed within the cold, commonly known as the two-story screen. The two-story curtain opened the day by light at night and then covered with strict insulation. Greenhouse plant spacing and greenhouse film's story screen, usually 30-50 cm. Features greenhouses: humidity conditions. Summer, autumn were delayed planting, planting two crops a year. Due to early spring, late autumn leaving the greenhouse cultivation period is extended for two months. Northeast, Inner Mongolia region in the spring planting some frozen greenhouse frame, autumn pull greenhouse seedling quality, year-round crop cultivation. In order to improve the utilization of greenhouses, early spring, late autumn cultivation, often take temporary heating in the studio, the addition of two-story curtain cold, Yang Qi built the greenhouse, the addition of a small shed or in the shed, mulching, greenhouses around the circumference straw curtain covered greenhouses and other cold insulation measures, in order to extend the growing season, increasing crop planting times, increase production. How much greenhouse | Communications Technology (certified) | Chengdu greenhouses provided by Anyang City Communications Technology Limited. Anyang City Communications Technology Co., Ltd. (www.aytlkj.com) (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. You can also access (www.aytlkj.com/supply_details_39778145.html), for more information about the company.