How to determine the level of air defense anti-chemical warfare? Air defense anti-chemical grade B, CD is divided into four door supply air defense, air defense command post, chemical engineering professional team members require masking grade level chemical defense, health care, professional team and first-class air defense shelters for chemical warfare required level B level air defense closed the door, two officers of the anti-chemical masking level Class C, library materials, air defense equipment, shelter and other specialty chemical defense team for D grade level. Henan Jin Sheng air defense equipment, Ltd. was established in 2014, formerly Shandong St. Celebrity Protection Equipment Co., Ltd., has more than ten years of experience in production and installation of air defense, air defense doors want to know the technical and price, please call Henan Jin Sheng air defense Equipment Co., Ltd., the business manager Zhou Mingming inquire sincerely look forward to your cooperation business! Civil Air Defense Equipment Co., Ltd. Henan Sheng Jin got the "air defense projects protective equipment production and installation capacity of standard enterprise practitioners Certificate" in 2014, was awarded the National Civil Air Defense unified standard enterprise practitioners ability certificate. According to the National Civil Defense document [2014] No. 235 air defense doors, air defense projects protective equipment installation qualification examination and approval of administrative license has been canceled, the existing "air defense projects protective equipment designated production and installation of enterprise qualification certificate" has been set aside by the Chinese People's Association for Survey and Design air defense branch and underground space for the new and old companies issued a unified "air defense projects protective equipment for the production and installation of practitioners the ability to target enterprises certificate." Zhengzhou air defense doors _ Jin Sheng air defense (certified) _ Pingdingshan 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.