YZB(YZC)series of hydraulic power units are used to supply hydraulic power for onshore and offshore drilling operations.This kind of product has the advantages of wide adjustment range, easy operation,and high generality.Series of air/water cooled hydraulic power units especially are suitable for desert and for continuous working situation.The product features compact structure,easy operation,wide adjustable range, good heating or radiating etc.There is electric drive or diesel drive tochoose.