Welcome to the official website of Lanzhou Petrochemical Equipment Company
PATENTS
 
Adjustable directional sealing joint
 
Portable on-line calibrator for electro-hydraulic actuator
 
Valve thermal test stand
 
New anti-cavitation structure of hydrogenation high pressure pump
 
Melting Protective Layer Device for Balance Sleeve of Hydrogenation High Pressure Pump
 
Axial Fixing Device for Balance Drum of Hydrotreating High Pressure Pump
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