Dongguan Enuo pwm Co., Ltd yog ib lub koom haum ntawm Hong Kong BHD Group, cov lag luam tseem ceeb yog txhaj pwm tsim thiab txhaj tshuaj molding. Tsis tas li ntawd, Enuo pwm kuj yog lub Hoobkas OEM koom nrog kev tshuaj xyuas kev sib tw / ntsuas R & D, Tuag casting, CNC machining, Prototype khoom R&D, Cov khoom txau thiab sib dhos.
Cov cuab yeej tuag casting tau tsim nyob rau xyoo 1838 rau lub hom phiaj ntawm kev tsim cov khoom txav mus rau kev lag luam luam ntawv. Thawj tuag casting-txog patent tau tso cai rau xyoo 1849 rau lub tshuab ua haujlwm me me rau lub hom phiaj ntawm kev siv tshuab luam ntawv ntau lawm. Nyob rau hauv 1885 Otto Mergenthaler tau tsim lub tshuab Linotype, ib qho cuab yeej siv hom-casting uas tau los ua hom khoom tseem ceeb hauv kev lag luam luam tawm. Soss tuag-casting tshuab, tsim nyob rau hauv Brooklyn, NY, yog thawj lub tshuab uas yuav tsum tau muag nyob rau hauv qhib lag luam nyob rau hauv North America. Lwm yam kev siv tau loj hlob sai, nrog kev tuag casting pab txhawb kev loj hlob ntawm cov neeg siv khoom thiab cov khoom siv los ntawm kev tsim cov khoom tsim ntawm cov khoom sib txawv hauv cov ntim siab. Xyoo 1966, General Motors tau tso tawm cov txheej txheem Acurad.
Nyob rau hauv 800 lub teb chaws Yelemees, tus huab tais Frankish Charlemagne tau crowned huab tais thiab nrhiav tau lub teb chaws Ottoman Carolingian, uas tau muab faib rau hauv 843 ntawm nws cov qub txeeg qub teg. Tom qab kev tawg ntawm Frankish Realm, rau 900 xyoo, keeb kwm ntawm lub teb chaws Yelemees tau intertwined nrog keeb kwm ntawm lub Holy Roman faj tim teb chaws, uas tom qab tshwm sim los ntawm sab hnub tuaj feem ntawm Charlemagne lub qub teb chaws Ottoman. Thaj chaw pib hu ua East Francia stretched ntawm Rhine nyob rau sab hnub poob mus rau Elbe River nyob rau sab hnub tuaj thiab los ntawm North Hiav Txwv mus rau Alps.
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