UL is a short note from Underwriter Laboratories Inc. UL safety test is the United States the most authoritative, but also the world engaged in safety testing and identification of the larger civil institutions. It is an independent, nonprofit, professional organization that works for public safety. It uses scientific test methods to determine the extent to which hazards such as materials, devices, products, equipment, buildings and other hazards and hazards to life and property; to determine, prepare and issue appropriate standards and to help reduce and prevent life Property is subject to loss of information, while carrying out research business. In short, it is mainly engaged in product safety certification and business safety certification business, the ultimate goal is to get the market with a very safe level of goods for personal health and property security to ensure that to contribute. In terms of product safety certification as an effective means of eliminating technical barriers to international trade, UL also plays an active role in promoting the development of international trade.

UL was founded in 1894, the initial stage of the main security by the UL insurance sector to provide funds to maintain the action until 1916, UL was completely self-reliance. After nearly a hundred years of development, UL has become a world-renowned certification body, its own with a set of strict organizational management system, the standard development and product certification procedures. UL is governed by a board of directors of security experts, government officials, consumers, education, public utilities, insurance and standards departments. The day-to-day work is handled by the president and vice president. At present, UL in the United States has five laboratories, headquartered in North Chicago, Northbrook town, while in Taiwan and Hong Kong, respectively, set up a corresponding laboratory.

       UL is a product safety testing and certification body, she is also the founder of US product safety standards. For more than a century, UL has tested hundreds of thousands of products and components for safety standards and evaluated its management system in accordance with international standards.

The Canadian Standards Association is referred to as CSA, which was founded in 1919 and is the first nonprofit organization in Canada to develop industry standards. In the North American market sales of electronics, electrical appliances and other products need to obtain security certification. CSA is currently Canada's largest security certification body, is also one of the world's most famous security certification body. It provides safety certification for all types of products in the areas of machinery, building materials, electrical appliances, computer equipment, office equipment, environmental protection, medical fire safety, sports and entertainment. CSA has provided certification services to thousands of vendors around the world, with hundreds of millions of products with CSA markings sold each year in the North American market.

      1992 years ago, CSA certified products can only be sold in the Canadian market, and products want to enter the US market, but also must obtain the relevant US certification. CSA International is now recognized by the US federal government as a nationally accredited testing laboratory. This means that your products can be tested and certified according to Canadian and American standards, while ensuring that your certification is recognized by federal, continental, provincial and local governments. With the CSA effective product safety certification, you want to enter the world's most tough and broad North American market is easy. CSA can help your products quickly and effectively penetrate the US and Canadian markets.

CSA International will save time and money by eliminating duplication of procedures in applying for certification. For manufacturers, all they have to do is make an application, provide a set of samples and pay a fee, and get the security signs can be the federal, state, province and from New York to Los Angeles local level recognition. CSA International will work with manufacturers to provide a high quality and safe and reliable certification program. In North America and the world, CSA people are honest and honest and skilled skills to win people's trust. CSA International has four laboratories in Canada. From 1992 to 1994, they have been officially recognized by the Occupational Safety and Health Administration (OSHA) of the US Department of Labor. According to OSHA rules, after this recognition, you can use as a national accredited testing laboratory, a series of products in accordance with more than 360 US ANSI / UL standards for testing and certification. Products tested and certified by CSA International are identified as fully compliant with the standards and can be sold to markets in the United States and Canada.

"CSA" Marking is by registering with the Canadian Canadian Standards Association, and after the product is approved for the safety and authorization of the product, the "CSA" Marking logo will be added to the product.

      CSA is a nonprofit member sponsor, which includes standards for health care, oil and gas piping systems, occupational safety, electrical products and solar energy. CSA in Canada in addition to the head office, the other the Atlantic region, Quaidu grams region, the central plains, the western region, the Pacific region and other branches, there are also subsidiaries around the world and representatives abroad.

      CSA standards are voluntary. Municipal, provincial and federal governments often use or refer to CSA standards to replace them to develop their own standards. In this case, the CSA standard becomes the basis for government specifications. Government or other organizations and associations may require compliance with a certain standard or indicate that a particular product must be verified to demonstrate compliance with a certain standard. This is based on whether each organization wishes to require the use of CSA standards and verification operations within its jurisdiction.
"CSA" Marking is one of the most well-known product safety certification marks in the world. Even if it is not enforced, manufacturers in many regions have made this symbol as an important basis for recommending the safety of their products. Many buyers will even Specify the purchase of products that have been added with the CSA logo. Recently, manufacturers have been designated by Canadian importers or purchasers to obtain the CSA logo.

Therefore, the registration of CSA logo for product safety can provide a more credible guarantee.