Shed the history and function: With polymer - polyvinyl chloride, polyethylene production, plastic films are widely used in agriculture. Greenhouse vegetable production was originally dedicated equipment, along with the development of greenhouse production applications become increasingly widespread. Also, because you can use lightweight frame materials supply multi-span greenhouse, easy to build and shape, may be taking the grid, less investment in construction, high economic efficiency. Greenhouses with bamboo rods composition, cement pole, light pipe or pipes and other materials to make the skeleton, made the column, high-quality multi-span greenhouse rod, the rod and lever arch, covered by plastic film material becomes circular arch shed. Greenhouse plastic film Maintenance: Greenhouse cultivation of vegetable greenhouses, greenhouses, must grasp the characteristics of the greenhouse environment and take appropriate control measures to meet the conditions for vegetable growth and development, so as to obtain high yield and quality. High-quality multi-span greenhouse, St. Xin agriculture, Hunan multi-span greenhouses provided by Anyang City of St. Xin Agricultural Technology Services, LLC. Anyang City of St. Xin Agricultural Technology Services, LLC (www.aysxny.com) in Henan, the other leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In St. Xin agricultural leadership with the staff warmly welcome all inquiries negotiations to create the holy Xin agriculture a better future.