Rotary drilling rigs are the most common equipment in current pile construction. Since the geology of each place is different, how to choose the appropriate drill bit during the piling…
Kaizer is a leading kelly bar and Piling tools manufacturer in China. Which Specializes in the designing and manufacturing of kelly bars and piling tools for over 15 years. We produce and supply Bored Pile Project-related products, including casings, tremie pipe, drill bits, and other accessories.
