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UL是美國保險商實驗室（Underwriter Laboratories Inc.）的簡寫。UL 是全球優(yōu)秀的獨(dú)立安全科學(xué)公司，并擁有逾 118 年的歷史。UL 在 100 多個國家雇傭超過 9000 名專業(yè)人士，并擁有五個獨(dú)立的業(yè)務(wù)部門－產(chǎn)品安全部、環(huán)境部、生命及健康部、知識服務(wù)部和驗證服務(wù)部－以滿足我們客戶不斷擴(kuò)大的需求及履行我們的公共安全使命。
UL是一家全球性的獨(dú)立的從事安全科學(xué)事業(yè)的公司，在創(chuàng)新性安全解決方案領(lǐng)域，擁有逾一個世紀(jì)的專業(yè)知識，從公眾用電到具有突破性的可再生新興能源及納米技術(shù)，UL涵蓋各學(xué)科的方方面面。UL致力于為公眾創(chuàng)造更安全的生活與工作環(huán)境，保障公眾、產(chǎn)品及場所的安全，從而推動全球貿(mào)易，為公眾提供安心。

UL提供認(rèn)證、檢驗、測試、驗貨、審核，咨詢和培訓(xùn)等服務(wù)，我們的知識與專長能夠幫助客戶從容應(yīng)對日趨復(fù)雜的供應(yīng)鏈難題 － 從法律法規(guī)，到貿(mào)易挑戰(zhàn)和市場準(zhǔn)入。

我們五大獨(dú)特的業(yè)務(wù)單元 — 產(chǎn)品安全、檢測服務(wù)、生命及醫(yī)療健康科學(xué)、培訓(xùn)咨詢服務(wù)及綠色環(huán)保認(rèn)證，致力于不斷延伸專業(yè)領(lǐng)域及服務(wù)范圍，進(jìn)而在瞬息萬變的市場環(huán)境中，提供安全領(lǐng)域的整體解決方案。
          
UL (Underwriters Laboratories) is a safety consulting and certification company headquartered in Northbrook, Illinois. It maintains offices in 46 countries. UL was established in 1894 and has participated in the safety analysis of many of the last century's new technologies, most notably the public adoption of electricity and the drafting of safety standards for electrical devices and components.[citation needed]
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.
UL is one of several companies approved to perform safety testing by the US federal agency Occupational Safety and Health Administration (OSHA). OSHA maintains a list of approved testing laboratories, which are known as Nationally Recognized Testing Laboratories.