We are strongly committed to further improving our quality performance and to continued investment in efficient production systems and reliable quality activities. Our laboratory contains the most modern equipment available, including electron-microscope capability and the latest filtration testing equipment to measure the filtration efficiencies of sub-micron particles per U.S.and European standards. As a result, our production center has been granted certificates of approvals with ISO-9001, ISO-14001, European EN149:2001, U.S. NIOSH, and Australia AS1716.