Cov khoom
Raws li cov ntaub ntawv tseem ceeb rau electronics thiab optoelectronics, high-purity hlau tsis txwv rau qhov yuav tsum tau rau siab purity. Kev tswj xyuas cov khoom seem tsis huv kuj tseem ceeb heev. Kev nplua nuj ntawm qeb thiab cov duab, siab purity, kev ntseeg siab thiab kev ruaj ntseg hauv cov khoom yog cov ntsiab lus sau los ntawm peb lub tuam txhab txij li thaum nws tsim.