1.The engines equipped are from world famous brands such as VOLVO, DEUTZ and so on. They are powerful, environmental protection and energy-saving. The motors equipped are from domestic famous brands, they are steady and reliable. 2.Main pumps are original imported from Germany Rexroth, they feature first-class quality and reliable. 3.The pumping loop single provides oil, thus the energy can be fully used and it can realize long-distance and large opening high pressure pumping. Control loop single provides oil, thus realize powerful swinging. The pumping loop and control loop are entirely separated, thus it is easy to check and find fault, and is also easy to maintain and overhaul. 4.The time of replacing a piston was shortened from 2 hours to 15 minutes, it asks for less labor and time. Mechanical and hydraulic double limitations provide safety and reliability. 5.High-low pressure auto-switch.Just press the key, it is so convenient and fast. Looking forward to cooperating with you ! ^ _^ Email: linda1682009@ 163.com Website www.csjssh.cn