Dongguan Enuo pwm Co., Ltd yog ib lub tuam txhab me ntawm Hong Kong BHD Group, lub lag luam tseem ceeb yog kev tsim pwm txhaj tshuaj thiab kev txhaj tshuaj molding. Ntxiv mus, Enuo pwm kuj yog lub Hoobkas OEM koom nrog kev tshuaj xyuas khoom siv / Gauge R & D, Die casting, CNC machining, Prototype khoom R & D, Qhov chaw txau thiab sib dhos.
Cov khoom siv pwm pwm tau tsim tawm xyoo 1838 rau lub hom phiaj ntawm kev tsim cov khoom siv txav tau rau kev lag luam luam ntawv. Daim ntawv pov thawj thawj zaug ntsig txog pwm pwm tau tso cai xyoo 1849 rau lub tshuab me me ua haujlwm tes rau lub hom phiaj ntawm kev tsim cov khoom siv luam ntawv. Xyoo 1885 Otto Mergenthaler tau tsim lub tshuab Linotype, lub tshuab pwm pwm tsis siv neeg uas tau dhau los ua hom khoom siv tseem ceeb hauv kev lag luam luam ntawv. Lub tshuab pwm pwm Soss, tsim tawm hauv Brooklyn, NY, yog thawj lub tshuab muag hauv kev lag luam qhib hauv North America. Lwm cov ntawv thov tau loj hlob sai, nrog kev pwm pwm pab txhawb kev loj hlob ntawm cov khoom siv thiab cov khoom siv los ntawm kev ua kom pheej yig rau kev tsim cov khoom sib xyaw ua ke hauv cov ntim ntau. Xyoo 1966, General Motors tau tso tawm cov txheej txheem Acurad.
Xyoo 800 lub teb chaws Yelemees, tus vaj ntxwv Frankish Charlemagne tau raug tsa ua huab tais thiab tau tsim tsa lub teb chaws Carolingian, uas tom qab ntawd tau muab faib ua ob ntu hauv xyoo 843 ntawm nws cov xeeb ntxwv. Tom qab kev tawg ntawm Frankish Realm, rau 900 xyoo, keeb kwm ntawm lub teb chaws Yelemees tau sib txuas nrog keeb kwm ntawm Holy Roman Empire, uas tom qab ntawd tau tshwm sim los ntawm sab hnub tuaj ntawm Charlemagne lub teb chaws qub. Thaj chaw uas thawj zaug hu ua East Francia ncab ntawm Rhine nyob rau sab hnub poob mus rau Elbe River nyob rau sab hnub tuaj thiab los ntawm North Sea mus rau Alps.
