The international famous brand development, the proportion of oil pump valve, solenoid valve, hydraulic parts, hydraulic control function is good.
选用国际知名品牌油研的油泵、比例阀、电磁阀等液压配件，良好的液压功能控制。
Control accuracy was effectively increased by a customized electric proportion valve.
定制的高精度电气比例阀有效提高了程控调节精度。
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