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● 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
