txog peb
Gelipu cov nroj tsuag ntau lawm npog thaj tsam ntawm 3000 square metres, suav nrog kev cob qhia ua ntej kev kho mob, kev cob qhia extraction.Lub chaw soj ntsuam kev sib cais ntawm cov khoom siv ntuj tsim npog thaj tsam ntawm 1500 square metres, thiab tau nruab nrog kev sib cais thiab kev ua kom huv huv, chav tsev raw khoom, chav ntsuas ntsuas qhov tseeb, thiab chav kuaj khoom.