Dongguan Enuo pwm Co., Ltd yog ib lub koom haum ntawm Hong Kong BHD Group, yas pwm tsim thiab kev tsim khoom yog lawv cov lag luam tseem ceeb.Tsis tas li ntawd, hlau qhov chaw CNC machining, qauv khoom R & D, tshuaj xyuas fixture / Gauge R&D, yas khoom molding, txau thiab sib dhos kuj tseem koom nrog.
Tuag casting yog txheej txheem hlau casting uas yog tus cwj pwm los ntawm kev yuam cov hlau molten nyob rau hauv siab siab rau hauv pwm kab noj hniav.Lub pwm kab noj hniav yog tsim los siv ob lub cuab yeej hardened steel tuag uas tau raug machined rau hauv cov duab thiab ua haujlwm zoo ib yam li kev txhaj tshuaj pwm thaum lub sijhawm ua haujlwm.Feem ntau cov tuag castings yog tsim los ntawm cov hlau tsis muaj hlau, tshwj xeeb tshaj yog zinc, tooj liab, aluminium, magnesium, lead, pewter, thiab tin-based alloys.Nyob ntawm seb hom hlau raug nrum, siv lub tshuab kub-los yog txias-chamber.
Cov khoom siv casting thiab cov hlau tuag sawv cev rau cov nqi peev loj thiab qhov no yuav txwv cov txheej txheem rau cov khoom ntim siab.Kev tsim cov khoom siv tuag casting yog qhov yooj yim, tsuas yog plaub kauj ruam tseem ceeb, uas ua rau tus nqi nce ntxiv rau ib yam khoom qis.
Nws tau raug lees paub tias thawj cov neeg nyob hauv North America tau tsiv los ntawm Siberia los ntawm txoj kev ntawm tus choj Bering av thiab tuaj txog tsawg kawg 12,000 xyoo dhau los;Txawm li cas los xij, cov pov thawj nce ntxiv qhia tias tuaj txog ua ntej.Tom qab hla tus choj av, thawj cov neeg Amelikas tau tsiv mus rau sab qab teb ntawm ntug dej hiav txwv Pacific thiab dhau los ntawm txoj kev hauv tsev uas tsis muaj dej khov nyob nruab nrab ntawm Cordilleran thiab Laurentide ice sheets.Cov kab lis kev cai Clovis tau tshwm sim nyob ib puag ncig 11,000 BC, thiab suav tias yog ib tug poj koob yawm txwv ntawm feem ntau ntawm cov kab lis kev cai tom qab hauv Asmeskas.
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