Amateka ya UL
Mu myaka ya 1890, muri Amerika habaye umuriro ukomeye.Nyirabayazana yari amashanyarazi.Kurinda andi makuba, Bwana William h.Merrill yashinze ku mugaragaro UL (laboratoire zandika) mu 1894. Ku ya 24 Werurwe 1894, yasohoye raporo yambere y’ibizamini maze itangira umwuga wayo wo kurinda umutekano.UL ni ikigo cy’ibizamini byo muri Amerika cyo gupima no gutanga ibyemezo kandi kikaba ari cyo cyatangije ibipimo by’umutekano w’ibicuruzwa muri Amerika. Mugihe kirenga ikinyejana, UL yagerageje ibipimo byumutekano kubicuruzwa n'ibiyigize.
UL mu Bushinwa
Mu myaka 30 + ishize, UL yibanze ku kuzamuka kwakozwe mu Bushinwa. Igihe UL yinjiraga mu Bushinwa mu 1980, yashyizeho umubano mwiza w’ubufatanye n’ubushinwa no kugenzura no kwemeza (itsinda), LTD.. serivisi nziza zaho kubakora mubushinwa.Mu mugabane wUbushinwa, inganda n’inganda zirenga 20.000 byemejwe na UL, umurongo wa serivise ya UL 0755-26069940.
Ubwoko bwa ikimenyetso cya UL
Ingano isanzwe yikimenyetso cya UL
Anbotek UL yemerewe
Kugeza ubu, Anbotek yabonye uruhushya rwa WTDP rwa ul60950-1 na UL 60065, bivuze ko ibizamini byose byahanuwe hamwe nabatangabuhamya bishobora kurangizwa muri anbotek, bikagabanya cyane urwego rwo gutanga ibyemezo.Icyemezo cya Anbotek cyemewe nuburyo bukurikira.