Greenhouse covering material: 1, grass, grass thatch: textile made of straw, good insulation performance of the new Winter greenhouse construction company, is a nighttime insulation materials. 2, high foam polyethylene film: white multi-bubble plastic film, one meter wide, 0.4-0.5 cm thick, light can roll up the cost of new warm winter greenhouses, insulation and the grass was similar. 3, non-woven fabrics: as a polyester filament yarn, woven textile fabric without substance. Divided black and white of two new warm winter greenhouses, and has a different density and thickness. Features greenhouses: the greenhouse air component. In order to prevent the accumulation of harmful greenhouse gases, you can not use fresh manure as basal construction of new greenhouses warm in winter, nor can not yet decomposed manure as fertilizer; prohibited the use of ammonium carbonate as fertilizer, urea or ammonium sulfate when used as fertilizer to be mixed with water pouring promptly applied after casing or fertilizing; fertilizer dosage should not be administered properly overdose; low season must be properly ventilated to remove harmful gases. In addition, the coal quality is better, to fully burn. Conditional use hot air or hot water heating pipe, the exhaust gas after combustion exhaust Pengwai. The new Winter greenhouse construction company _ Communications Technology (certified) _ The new Winter greenhouses provided by Zhengzhou 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.