These two equipment are better models sold by Boyu, Hydraulic puller: TY90, Hydraulic tensioner: TY2X40.

The hydraulic puller TY90 allows for the tension stringing of twin-bundle conductor of 500mm2 and below in mountainous and hilly areas, of twin-bundle conductor of 630mm2 and below in flat lands, and of single conductor 720mm2 in various terrains; besides, it can be used for traction stringing of OPGW or ADSS optical cable and 220kV haulage rope in various terrains.

The hydraulic tensioner TY2X40 allows for the tension stringing of twin-bundle conductor of 630mm2 and below in mountainous and hilly areas, of twin-bundle conductor of 720mm2 and below in flat lands, and of conductor 720mm2 in various terrains; besides, it can be used for tension stringing of OPGW or ADSS optical cable and 500kV haulage rope in various terrains