Dongguan Enuo mold Co., Ltd ndi gulu laling'ono la Hong Kong BHD Gulu, kapangidwe ka nkhungu za pulasitiki ndi kupanga ndiye bizinesi yawo yayikulu.Komanso, mbali zitsulo CNC Machining, mankhwala prototype R&D, anayendera fixture / Gauge R&D, pulasitiki zopangidwa akamaumba, kupopera mbewu mankhwalawa ndi msonkhano komanso kuchita nawo.
Kumangirira jekeseni kumagwiritsira ntchito nkhosa yamphongo kapena phula-mtundu wa plunger kukakamiza zinthu zapulasitiki zosungunuka kuti zilowe mu nkhungu;izi zimalimba kukhala mawonekedwe omwe amagwirizana ndi mawonekedwe a nkhungu.Amagwiritsidwa ntchito kwambiri pokonza ma polima a thermoplastic ndi thermosetting, ndipo kuchuluka kwake komwe kumagwiritsidwa ntchito kale kumakhala kokwera kwambiri.Thermoplastics ndizofala chifukwa cha mawonekedwe omwe amawapangitsa kukhala oyenera kuumba jekeseni, monga momwe angagwiritsire ntchito mosavuta, kusinthasintha kwawo kumawalola kugwiritsidwa ntchito pazinthu zosiyanasiyana, komanso kuthekera kwawo kufewetsa ndikuyenda potentha.Thermoplastics imakhalanso ndi gawo la chitetezo pa thermosets;ngati polima wa thermosetting sanatulutsidwe mu mbiya ya jakisoni munthawi yake, kuphatikizika kwa mankhwala kumatha kuchitika kupangitsa kuti wononga ndi ma valve owunika kuti agwire ndikuwononga makina omangira jakisoni.
Kuyanjana koyamba pakati pa Azungu ndi Amwenye Achimereka kunachitika ndi a Norsemen.Ma saga angapo omwe atsala aku Norse amapereka zambiri zokhudza The Maritimes ndi anthu ake.Anthu a ku Norse anayesa kukhazikika ku North America pafupifupi zaka 500 Columbus asanabwere.
Kumayambiriro kwa ulamuliro wa atsamunda, anthu ambiri a ku Ulaya ankakhala ndi njala, matenda, ndiponso kuukiridwa ndi Amwenye Achimereka.Amwenye a ku America nawonso nthawi zambiri ankamenyana ndi mafuko oyandikana nawo ndipo ankagwirizana ndi Azungu pankhondo zawo zautsamunda.
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