Air defense doors offer BHFM1020-15, Price: 5770 yuan, (excluding installation costs) BHFM1520-15, Price: 7910 yuan, (excluding installation costs) region at different prices may not be exactly the same on behalf of the left hand turn for meaning B. represents the standard of quality is the meaning of civil defense doors, H represents the mean threshold of ratifications live air defense doors, F represents the mean air defense protection door supply, M represents the closed meaning, 1520 Model: 1,5 m hole size X2000 practical to reserve The hole size is 1.5 m X2.15 m height has changed, because there is a threshold of 0.15 m height living collectively called: reinforced concrete protective barriers live closed doors, -15 is representative of the door is 0.15MPa pressure in Henan air defense projects protective equipment acceptance what qualifications? Air defense projects protective equipment manufacturer must have an independent legal personality, with the business administration department issued a "civil air defense projects protective (anti-chemical warfare) equipment production license", is approved by the National People's Air Defense Office of the civil air defense projects protective equipment designated production and installation product manufacturer intends to tender the project must be filed with the local office of civil defense protection (chemical warfare) equipment manufacturers; companies. Have "air defense projects protective equipment products in Henan record evidence." Air defense door manufacturer | Jin Sheng air defense (certified) | Hebi City, Henan air defense provided by Jin Sheng door 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.