Large Metropolitan Housing Authority Purchases C-Bond Secure and C-Bond Ballistic-Resistant System for Evaluation for Protecting Residents C-Bond Secure and C-Bond BRS are proven to strengthen glass to deter and delay forced entry and protect against gun violence March 08, 2021 08:30 ET | Source: C-Bond Systems C-Bond Systems Houston, Texas, UNITED STATES HOUSTON, March 08, 2021 (GLOBE NEWSWIRE) -- C-Bond Systems (the “Company” or “C-Bond”) (OTC: CBNT), a nanotechnology solutions company, today announced that a large metropolitan housing authority in the U.S. has purchased samples of C-Bond Secure and C-Bond BRS (ballistic-resistant system) for evaluation to reinforce building glass to protect its residents against forced entry and gun violence.