| A.High integrated power units adopts PLC fully hydraulic driving to realize no pipes connecting to ensure no leakage, high efficiency and energy saving; B.Multinomial safety measure, circumspect on-line detecting and simplified system design can ensure safety and reliability;
 C.Normal PLC energy control ways can be adjusted and set optionally and easily;
 D.90% hydraulic parts are standard and easily purchased with simple construct and lower run cost
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