Silica solumines: zoo tagnrho rau high-}} Cov khoom siv tau xaus, thiab cov khoom siv tau zoo rau cov nqi tsim khoom txaus siab thiab cov sijhawm ua haujlwm. Cov ntawv thov raug suav nrog Aerospace lub cav tuaj, kev phais cov twj, thiab siab {2} kev nyuaj siab zog.
Dej iav Casting: haum rau txheem castings nrog nruab deg thiab sab nraud yuav tsum tau siv nyiaj li cas, tshwj xeeb tshaj yog thaum kev txiav txim sai tiav yog qhov tseem ceeb. Cov qauv piv txwv suav nrog cov cuab yeej ua vajtse, qis -}} thov cov yeeb nkab fittings, thiab cov teeb meem ntxhib.
