Concrete reinforced concrete door Model series air defense air defense door (four General Staff Academy) reinforced concrete single fan guard closed doors, reinforced concrete protective barriers live closed doors 1 HFM0716 (5) 1 HHFM0820 (6) 2 HFM0820 (6) 2 HHFM0820 (5) 3 HFM0820 (5) 3 HHFM0920 (6) 4 HFM0920 (6) 4 HHFM0920 (5) 5 HFM0920 (5) 5 HHFM1020 (6) 6 HFM1020 (6) 6 HHFM1020 (5) 7 HFM1020 (5) 7 HHFM1220 (6) 8 HFM1220 (6) 8 HHFM1220 (5) 9 HFM1220 (5) 9 HHFM1320 (6) 10 HFM1320 (6) 10 HHFM1320 (5) 11 HFM1320 (5) 11 HHFM1520 (6) 12 HFM1520 (6) 12 HHFM1520 (5) 13 HFM1520 (5) 13 HHFM2020 (6) 14 HFM2020 (6) 14 HHFM2020 (5) 15 HFM2020 (5) single-leaf closed doors reinforced concrete, reinforced concrete closed door sill live 1 HM0716 1 HHM0820 2 HM0820 2 HHM0920 3 HM0920 3 HHM1020 4 HM1020 4 HHM1220 5 HM1220 5 HHM1320 6 HM1320 6 HHM1520 7 HM1520 7 HHM2020 8 HM2020 how to determine the level of air defense anti-chemical warfare? Air defense anti-chemical grade B, CD is divided into four HFM concrete protective closed doors, air defense command post, chemical engineering professional team members require masking grade level chemical defense, health care, professional team and first-class air defense personnel require shelter Antichemical Level B, second shelter staff level C in air defense anti-chemical warfare door, 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 HM air defense doors, formerly Shandong St. Celebrity Protection Equipment Co., Ltd., has more than ten years of experience in production and installation of air defense air defense HHFM door, want to know the price of air defense technology and doors, Please call Henan Sheng-chun, air defense equipment Limited, the business manager Zhou Mingming inquire sincerely look forward to your cooperation business! HM air defense doors | door air defense | Jin Sheng air defense doors and low prices offered by Henan Sheng-chun, air defense equipment Limited. Henan Jin Sheng air defense equipment Limited (www.jsrenfang.com/) strong, credible, in Zhumadian other industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Jin Sheng air defense and you hand into the brilliant, for a better future!