UL is the English Underwriter Laboratories (Underwriter Laboratories Inc.) abbreviation. UL safety testing institute is the United States most authoritative, but also engaged in the world of safety testing and identification of the larger civil institutions. It is an independent, non-profit, for the public **** safety test professional organizations. It uses scientific testing methods to study and determine a variety of materials, devices, products, equipment, buildings, etc. on life, property and the degree of harm; to determine, write, issue the corresponding standards and help reduce and prevent the loss of life and property caused by the information, while carrying out factual research business. In short, it is mainly engaged in product safety certification and business safety certification business, and its ultimate goal is to contribute to the market with a considerable level of safety of the goods, and to ensure the safety of human health and property. Product safety certification as an effective means of eliminating technical barriers to international trade, UL to promote the development of international trade also plays a positive role.
UL listed services for a variety of products, including: household appliances, medical equipment, computers, commercial equipment, as well as in the role of the building of various types of electrical products, such as power distribution systems, fuses, wires, switches and other electrical components.
RoHS certification is the Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment Directive (The restriction of the use of certain hazardous substances in electrical and electronic equipment) of the English acronym, its It stipulates that from July 1, 2006, the EU will ban the import of electrical and electronic products containing lead, cadmium, mercury, hexavalent chromium, polybrominated diphenyl ethers (PBDEs) and polybrominated biphenyls (PBBs), and other hazardous heavy metals.
RoHS for all production processes and raw materials may contain the above six hazardous substances in electrical and electronic products, including: white goods, such as refrigerators, washing machines, microwave ovens, air conditioners, vacuum cleaners, water heaters, etc., black appliances, such as audio, video products, DVDs, CDs, TV receivers, IT products, digital products, communications products, etc.; power tools, electric electronic toys medical and electrical equipment.
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