Keeb kwm ntawm UL
Xyoo 1890, muaj hluav taws kub heev hauv Tebchaws Meskas.Tus neeg ua txhaum yog hluav taws xob.Yuav tiv thaiv kom tsis txhob muaj xwm txheej ntxiv, Mr. William h.Merrill tau tsim UL (underwriters Laboratories) nyob rau hauv 1894. Nyob rau lub Peb Hlis 24, 1894, nws luam tawm nws thawj daim ntawv ntsuam xyuas thiab pib nws txoj hauj lwm ntawm kev ruaj ntseg kev ruaj ntseg.UL yog ib tug US khoom kev ruaj ntseg kuaj thiab ntawv pov thawj lub chaw ua hauj lwm thiab cov originator ntawm US cov qauv kev ruaj ntseg khoom. Ntau tshaj li ib puas xyoo, UL tau kuaj cov qauv kev nyab xeeb ntawm ntau pua cov khoom thiab cov khoom.
UL hauv Suav teb
Tshaj li 30 + xyoo dhau los, UL tau tsom mus rau kev loj hlob ntawm kev ua nyob rau hauv Suav teb.Thaum UL nkag mus rau Tuam Tshoj xyoo 1980, nws tau tsim muaj kev sib raug zoo nrog Tuam Tshoj tshuaj xyuas thiab ntawv pov thawj (pab pawg) co., LTD.(CCIC).Qhov kev koom tes tau pib los ntawm kev muab kev pabcuam taug qab rau cov chaw tsim khoom hauv Suav teb thiab pab cov khoom lag luam Suav nkag mus rau sab qaum teb Asmeskas kev lag luam.Tshaj 10 xyoo dhau los, UL tau nqis peev ntau hauv cov chaw hauv zos thiab tsim ib pab neeg ua haujlwm kom yooj yim, ceev thiab Cov kev pabcuam hauv zos zoo heev rau cov tuam txhab suav hauv Suav teb, ntau tshaj 20,000 lub Hoobkas thiab cov chaw tsim khoom tau raug UL ntawv pov thawj, UL daim ntawv pov thawj pabcuam hotline 0755-26069940.
Hom ntawv UL
Txheem loj ntawm UL cim
Anbotek UL tso cai
Tam sim no, Anbotek tau txais daim ntawv tso cai WTDP ntawm ul60950-1 thiab UL 60065, uas txhais tau hais tias txhua qhov kev twv ua ntej thiab cov neeg pov thawj tuaj yeem ua tiav hauv anbotek, txo qis lub voj voog pov thawj.Anbotek daim ntawv pov thawj ntawm kev tso cai yog raws li hauv qab no.
