●  Energy-saving control technology of diesel engine saves oil consumption of more than 20％
●  Full-hydraulic reversing open—type system with high cleanliness of hydraulic liquid．10w oil temperature and small reversing impulsion；
●  Auto—return concrete piston makes the replacement of concrete piston more convenient and much faster；
●  Full automatic switch between high and low pressure，toggle switch operation，free of leakage and pollution of the hydraulic liquid as well as fast dredge of the blocking pipe；
●  The electro-hydraulic proportional control technology is able to realize infinitely variable control on the pump displacement；
●  PLC control real-time text display of working conditions ensures safe and reliable operation；
●  Wired remote fecilitats operation；
●  The main oil cylinder adopts patent technology ofwater-proof sealing to effectively avoid emulsification of the hydraulic liquid;
●  Advanced S tube valve systemwith good leak tightness，simple structure and long servicelife of the wearing parts；
●  The proprietary hard—carbide glasses plate and the cutting prolongs service life；
●  Main hydraulic and electrical components are of well—known InternationaI brands with high reliability