O'OGA

Tufuga Meafaigaluega vili 

HFD Mining Tools Co.,Ltd. saunia mea e viliina ai maa, viliina DTH, samala DTH, samala pito i luga, vili samala pito i luga, faiga fa'apipi'i fa'a'ese'ese, fa'amea fa'apipi'i, mea faigaluega vili fa'a-Soviet, paipa vili DTH ma mea fa'apipi'i fa'aaoga i le eliina, suau'u/kesi/vai vaieli. , vili pailate i si'isi'i viliina, fa'alava fa'asinoala viliina, geothermal viliina, faufale, tunneling, eliina, faupu'e ma fa'avae...