●Underwriter Laboratories(UL)  https://www.ul.com/

●TUV Rheinland  https://www.tuv.com/world/en/

●Technology Institution of Industry Safety (TIIS)  https://www.tiis.or.jp/eng/

●Search UL Certificate or Report  https://iq.ulprospector.com/en/

●Search IECEx Certificate or Report  https://www.iecex-certs.com/#/home

●Occupational Safety and Health Administration (OSHA)  https://www.osha.gov.tw/enhome/

●International Technology Research Institute  https://www.itri.org.tw/english/index.aspx

●Safety and Health Technology Center  https://www.sahtech.org/content/en/masterpage/Index.aspx