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.
Kev txhaj tshuaj lossis kev txhaj tshuaj (saib qhov sib txawv ntawm kev sau ntawv) yog cov txheej txheem ntawm kev tsim khoom los ntawm kev ua cov kua lossis cov khoom siv raw uas yooj yim siv siv lub thav duab khov kho hu ua pwm lossis matrix. Qhov no nws tus kheej yuav tau ua los ntawm kev siv tus qauv lossis tus qauv ntawm cov khoom kawg.
Ib lub pwm yog ib lub thaiv uas muaj cov kua lossis cov khoom siv yooj ywm xws li yas, iav, hlau, lossis cov khoom siv ceramic. Cov kua ntawd tawv lossis teeb tsa hauv lub pwm, txais yuav nws cov duab. Lub pwm yog qhov sib piv rau lub pwm. Cov txheej txheem pwm bi-valve feem ntau siv ob lub pwm, ib qho rau txhua ib nrab ntawm cov khoom. Cov pwm sib txuas muaj ntau daim uas los ua ke los ua lub pwm tiav, thiab tom qab ntawd disassemble kom tso tawm qhov casting tiav; lawv kim, tab sis tsim nyog thaum lub puab pwm muaj cov overhangs nyuaj.
Cov pab pawg neeg Germanic tau xav tias hnub tim los ntawm Nordic Bronze Age lossis Pre-Roman Iron Age. Los ntawm sab qab teb Scandinavia thiab sab qaum teb lub teb chaws Yelemees, lawv tau nthuav dav mus rau sab qab teb, sab hnub tuaj thiab sab hnub poob txij li xyoo pua 1st BC, los sib cuag nrog cov pab pawg Celtic ntawm Gaul nrog rau cov pab pawg Iranian, Baltic, thiab Slavic hauv Central thiab Eastern Europe. Nyob rau hauv Augustus, Rome pib ntxeem Germania. Xyoo 9 AD, peb pab tub rog Roman coj los ntawm Varus tau raug kov yeej los ntawm Cheruscan tus thawj coj Arminius. Los ntawm 100 AD, thaum Tacitus sau Germania, cov pab pawg neeg Germanic tau nyob ntawm Rhine thiab Danube (Limes Germanicus), nyob hauv feem ntau ntawm thaj chaw ntawm lub teb chaws Yelemees niaj hnub no.
