CRIMPER UNWINDER SWELLING-SHRINKAGE CYLINDER ROTARY JOINT COMPLETE EQUIPMENTS LONG STROKE HYDRAULIC CYLINDER ELECTRO HYDRAULIC CYLINDER MULTIPLE-PATH MULTIMEDIA HIGH PRESSURE HIGH TEMPERATURE REVOLVING JOINT STEEL PACKAGE ROTARY TABLE ELECRIC APPLIANCE SLIP RING CONVERTOR MULTIPLE PATH HYDROSPHERE ROTARY JOINT OUTLAID GRATING RULER DISPLACEMENT TRANSDUCER SERVO CYLINDER ROLL LEVELLING MACHINE BOWED ROLLER CYLINDER BLOCK MULTIPLEPISTON CONATANT VOLUME SYNCHRONIZATION DISTRIBUTOR HYDRAULIC CYLINDER GEAR AND TINE SWING HYDRAULIC CYLINDER