HFD DHD nqes hauv lub qhov khoom yog rov qab los ntawm qhov zoo tshaj plaws uas peb siv cov cuab yeej cuab tam thiab patents los tsim cov cuab yeej zoo thiab cov nqi sib tw los ntawm kev koom tes. Cov khoom siv dav siv hauv mining, infrastructure engineering, roj drilling, dej qhov dej thiab pawg hauv paus engineering thiab lwm yam haujlwm. Tom qab ntau tshaj kaum xyoo ntawm kev tshawb fawb, qhov tshwj xeeb ntawm HFD laum cov khoom yog tias nws siv lub xeev-of-the-art cemented carbide thev naus laus zis, uas tuaj yeem txo qis hnav, ncua kev pab cuam lub neej thiab txo kev cuam tshuam. Los ntawm kev kho cua sov kom zoo dua qub thiab ua kom lub ntsej muag hardness, lub valve lub cev ua kom nruj, tawv dua thiab muaj zog dua, uas txhais tau tias kev ua tau zoo dua thiab kev pab lub neej ntev dua. Peb kuj tuaj yeem muab cov kev daws teeb meem zoo tshaj plaws rau koj cov mining, nrog kev ua haujlwm siab dua thiab tus nqi qis, lossis peb tuaj yeem kho nws rau koj qhov xwm txheej kuv.
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Peb suav koj tus kheej
Peb siv cov ncuav qab zib los txhim kho koj txoj kev nrhiav tau, pabcuam cov kev tshaj tawm lossis cov ntsiab lus, thiab tshuaj xyuas peb lub tsheb. Los ntawm txhaj "Txais txhua yam", koj pom zoo rau peb siv cov ncuav qab zib.