Unidrill Kelly bar for the construction work of Yuanjiang grand bridge

A famous bridge in China starts construction work, pile diameter 2.5m, pile depth 132m, honour to choose 

UNIDRILL kelly bar and roller bit core barrel, and we also believe that it's a wise choice. 

We are always confident in our product quality and the service we supply.

Unidrill manufactures a complete range of cemented tungsten carbide replacement wear parts for foundation drill, mining and tunneling, trenching, road milling industries...

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