CE marking is a mandatory conformity marking for certain products sold within the European Economic Area (EEA) since 1985. The CE marking is also found on products sold outside the EEA that are manufactured in, or designed to be sold in, the EEA. This makes the CE marking recognizable worldwide even to people who are not familiar with the European Economic Area.
CSA is the Canadian Standards Association (Canadian Standards Association) for short, which was founded in 1919, is Canada’s first industry standard for the development of the non-profit institutions. In 2001 the Association is divided into three CSA Canadian Standards Association, respectively, management system certification and the International Certification Institute, in charge of international certification is CSA International, headquartered in Toronto. Also has overseas branches in the United States, China, Hong Kong, Taiwan and India. Market in North America, electronics, appliances and other products will need to obtain safety certification.
UL LLC is an American worldwide safety consulting and certification company headquartered in Northbrook, Illinois. It maintains offices in 46 countries. Established in 1894 as the Underwriters’ Electrical Bureau (a bureau of the National Board of Fire Underwriters), it was known throughout the 20th century as Underwriters Laboratories and participated in the safety analysis of many of that century’s new technologies, most notably the public adoption of electricity and the drafting of safety standards for electrical devices and components.
UL provides safety-related certification, validation, testing, inspection, auditing, advising and training services to a wide range of clients, including manufacturers, retailers, policymakers, regulators, service companies, and consumers.