Greenhouse major types: plastic greenhouse structure. Because of their light weight plastic greenhouse, resistance to wind, snow load is weak, so the overall stability of the structure must be fully considered, in general or in the interior of the second cross the bay to set the second vertical bracing, in the greenhouse the external structure and the roof space should also consider setting up the necessary support. Best supporting oblique (oblique rod) anchored to the base, forming a space force system. Greenhouse sit to: Greenhouse should be built facing south to the breeding shed built, and west (yin) 3--5 degrees as well. This direction, accepting the sun for a long time, energy utilization. Ruoyin topography and other reasons, can not reach the above requirements, it should try to adjust the nursery greenhouses designed to make it in the west of the range of 5 degrees to 10 degrees to the east. As follows: between 12:00 to 12:20, on the ground insert a vertical pole nursery greenhouses project, through observation, select its shortest projection, and then do the vertical line, then the vertical line prevail, partial shade 5 degree draw a straight line, straight line drawn, that is the direction of the back wall of the greenhouse baseline. Nursery greenhouses engineering, Communications Technology (certified), Yinchuan nursery 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.