●  Full-hydraulic reversing open-type system with high cleanliness of hydraulic liquid, low oil temperature and less 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 helps realize infinitely variable control on the pump displacement;
●  PLC control, real-time text display of working conditions ensures safe and reliable operation;
●  Wired remote facilitates the maintenance and operation;
●  The main oil cylinder adopts proprietary technology of water-proof packing to effectively avoid emulsification of the hydraulic liquid;
●  Advanced S-tube valve system with good leak tightness, simple structure and long service life of the wearing parts;
●  The proprietary hard-carbide glasses plate and the cutting ring prolongs service life;
●  Main hydraulic and electrical components are of well-known international brands with high reliability.