a hydraulic control system of a steel tube clamping device in a hydraulic pressure test tube machine relates to the hydraulic control systems of rolling machinery.
水压试管机中钢管夹紧装置的液压控制系统,涉及轧钢机械的液压控制系 统。
this series of products mainly used in bop, valves, blowout pipeline, the bop tools, wellhead equipment and other products of hydraulic pressure test inspection.