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Choose right kelly bar to do foundation bore piles drilling work, whose quality must be very durable, and could guarantee the working efficiency. We all know that the progress of the whole project could be affected by the drilling tools chosed and used during the construction. Use UNIDRILL kelly bar to do the bore piles drilling work could avoid this problem very well. Kelly bars manufactured by UNIDRILL factory could give clients good user experience from both product quality and professional service. Choose right kelly bar to do foundation bore piles drilling work.