 NEW YORK, Sept. 23, 2021 GLOBE NEWSWIRE -- Dark Pulse, Inc. OTC Markets: DPLS DarkPulse and the Company, a technology company focused on the manufacture, sale, installation, and monitoring of laser sensing systems based on its patented BOTDA dark-pulse sensor technology the DarkPulse Technology today announced its subsidiary, Optilan, the leading security and communications company for the energy, infrastructure, pipeline, and rail sectors, demonstrating its commitment to quality, accountability, and continuous improvement with its ISO renewal success, has attained compliance with the International Organization for Standardization ISO 9001:2015 and 14001:2015 requirements, earning re-certification through to November 2023. In addition, Optilan has also successfully transitioned over to ISO 45001:2018 Occupational Health and Safety Management, which is valid for the same period. 