Greenhouses to control quality: multi-span steel shed social progress, the traditional mode of agricultural production can not meet the needs of the modern development of civilization, the new agricultural facilities sought after by the industry. The so-called agricultural equipment, in fact, is the main greenhouse located 施连栋 steel shed design, it is not limited in time and space of multi-span steel shed manufacturers, agricultural production can be carried out in the highlands, mountains, deserts and other special circumstances. The main types of greenhouses: toward choice. Beyond the frozen layer is appropriate, greenhouse basic design is based on the geological structure of the cold regions and local climatic conditions determined on a regional basis crisp relatively deeper soil. Not annual production of greenhouse production than the year-round greenhouse depth and multi-span steel shed construction company, the foundation stone or river rock wool padding to increase above 2030 cm-thick ground beam, floor beam above the masonry walls, have a sandwich wall insulation, insulation sandwich filled with benzene board, perlite and other insulation materials. Multi-span steel sheds cost _ Communications Technology (certified) _ Chengdu multi-span steel shed by Anyang City Communications Technology Limited. Anyang City Communications Technology Co., Ltd. (#) 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.