Raws li ib qho ntawm cov kws tshaj lij carbon graphite cov khoom lag luam thiab cov muag khoom hauv Suav teb, peb tau tshwj xeeb los ntawm cov khoom zoo thiab cov kev pabcuam zoo. Thov so assured mus yuav carbon graphite khoom ua nyob rau hauv Suav teb nov los ntawm peb lub hoobkas.

Xa kev nug