UL is transitioning to a new email policy as part of our commitment to your digital security and privacy. Please confirm your wish to continue to receive periodic emails from UL containing best practices, education, industry research, news, updates and promotions related to UL’s products and services by clicking CONFIRM.
- 标准
-
Worldwide
Main Menu
-
-
Africa
Worldwide
-
-
South Africa
-
-
-
Asia Pacific
Worldwide
-
-
Australia
-
China
-
Hong Kong
-
India
-
Japan
-
Korea
-
New Zealand
-
Singapore
-
Taiwan
-
-
-
Europe
Worldwide
-
-
Denmark
-
France
-
Germany
-
Italy
-
Netherlands
-
Poland
-
Spain
-
Sweden
-
Switzerland
-
U.K.
-
-
-
Latin America
Worldwide
-
-
Argentina
-
Brazil
-
Colombia
-
Mexico
-
-
-
Middle East
Worldwide
-
-
United Arab Emirates
-
Kingdom Of Saudi Arabia
-
-
-
North America
Worldwide
-
-
Canada
-
United States
-
-
-
Africa
-
-
Worldwide
-
-
Africa
-
-
South Africa
-
-
-
Asia Pacific
-
-
Australia
-
China
-
Hong Kong
-
India
-
Japan
-
Korea
-
New Zealand
-
Singapore
-
Taiwan
-
-
-
Europe
-
-
Denmark
-
France
-
Germany
-
Italy
-
Netherlands
-
Poland
-
Spain
-
Sweden
-
Switzerland
-
U.K.
-
-
-
Latin America
-
-
Argentina
-
Brazil
-
Colombia
-
Mexico
-
-
-
Middle East
-
-
United Arab Emirates
-
Kingdom of Saudi Arabia
-
-
-
North America
-
-
Canada
-
United States
-
-
-
Africa
-