		Adjustable directional sealing joint Adjustable directional sealing joint 查看详情

		Portable on-line calibrator for electro-hydraulic actuator Portable on-line calibrator for electro-hydraulic actuator 查看详情

		Valve thermal test stand Valve thermal test stand 查看详情

		New anti-cavitation structure of hydrogenation high pressur.. New anti-cavitation structure of hydrogenation high pressure pump 查看详情

		Melting Protective Layer Device for Balance Sleeve of Hydro.. Melting Protective Layer Device for Balance Sleeve of Hydrogenation High Pressure Pump 查看详情

		Axial Fixing Device for Balance Drum of Hydrotreating High .. Axial Fixing Device for Balance Drum of Hydrotreating High Pressure Pump 查看详情