CIR fa'asologa DTH bits(Low pressure) CIR90-90

O le D Miningwell low air pressure DTH drill bits fa'aoga mo le 65-220mm diameter pu viliina lelei le faatinoga i vili Granite, Marble,  Limestone, Basalt, ect.
E masani ona faʻaaogaina i pu, Quarry, Faʻamau, Atinaʻe, Geothermal pu
O a matou DTH Bits o loʻo i ai tulaga lelei:
1. 95% tulaga tutusa lelei ma le lalolagi pito i luga ituaiga ituaiga, e pei o atlas Copco ma isi.
2. Malosi malosi i le viliina meafaigaluega gaosiga.
3.Strick pulea lelei.