News
News
New GIA B1C, B3A, B3C and B5A Rock Mining Drilling Rigs
2019-11-14
New GIA Drilling Rigs: B1C, B3A, B3C and B5A, four new open-air mining drilling rigs, new upgrade: automatic change of unloading rods, equipped with aluminum alloy propulsion beam, drilling up 15%, improving drilling straightness!