临猗有匮文化有限公司

For manufacturers of computers, fax machines, telephones,modems, and other “information technology equipment” (ITE), April 1, 2000 will be more than just another April Fool’s Day. This day will in fact mark an important step forward for the computing and communications industry as UL 1950 3rd Edition, Safety of Information Technology Equipment, Including Electrical Business Equipment, takes full effect.