Air defense door Description: closed doors closed doors in less protection for isolated agents. The door is not resistance requirements, you can simply press the hole size selection. While higher prices of steel door door Henan air defense, anti-nuclear radiation early performance is poor, but because of its lighter weight, opening and closing doors and flexible air defense manufacturers, it is usually used in relatively large size of the vehicle entrance. 1.1 Category 1) Steel doors are sealed with flat open. Divided by the number of doors, there are two kinds of single-leaf door double-leaf doors and air defense air defense. 2) Steel closed doors by the hole at whether the threshold is divided, with a fixed threshold, live landing threshold and doors three. Thank you for your interest in our products, if you want to get a better understanding, such as air defense door price, air defense door model specifications, etc. For more information, please feel free to contact us, Henan Jin Sheng air defense Equipment Co. to provide you with the best service! Henan Jin Sheng air defense Equipment Co. issued strict accordance with national standards and drawings door air defense organization products, process management to strengthen the production process and strict inspection system and quality control records. When the factory, must be installed according to the certificate and manual, and at the specified location marker manufacturer name and number. Jin Sheng Equipment Co., Ltd., Henan air defense system to establish product quality file civil defense doors, do users pay a return visit to work, improve service, and report regularly to the production and operation of the province, autonomous region and municipality civil defense office. Henan Province Civil Air Defense Office of Civil Defense designated door manufacturer. Can Baidu "Henan Jin Sheng air defense Equipment Co." check our website and contact information. Air defense door price, Jin Sheng air defense (certified), air defense doors provided by Henan Sheng-chun, air defense equipment Limited. Civil Air Defense Equipment Co., Ltd. Henan Sheng-chun (www.jsrenfang.com/) is Zhumadian, 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 Jin Sheng air defense leadership with the staff warmly welcome all inquiries negotiations to create Jin Sheng air defense a better future.