Gansu hydraulic professional maintenance _ Xi'an-through hydraulic service (certified) _ hydraulic professional service from Xi'an Chengtong hydraulic repair Limited. Xi'an Chengtong Hydraulic Maintenance Co. (www.huosu360.com) is specialized in the "maintenance of road mix, concrete mixers, pavers, milling machines, rollers and other hydraulic systems," the enterprise, the company of "honesty, hard service "concept, to provide you with the highest quality products and services. Welcome to inquire! Contact: money work. Accumulator charging valve failure or repair or replace the pump, motor or cylinder wear high pressure valve repair or replacement, or unloading relief valve setting mechanism does not work again set the variable valve repair or replacement , relief valve and unloading valve is clogged or damaged by cleaning or replacement of small hydraulic cylinder lever mechanical energy into the oil hydraulic pressure can be output well-being professional maintenance, known as dynamic element; large cylinder to the oil pressure can be converted to mechanical energy output Weinan hydraulic professional repair, roof lifting objects, called actuators. Here large and small hydraulic cylinders and check valves and tubing and other components of the hydraulic drive system easiest to achieve a passing motion and power.