ELECTRIC SINGLE-BEAM CRANE PIPELINE PUMP SUBMERSIBLE PUMP SLURRY PUMP FREQUENCY TRANSFORMER ELECTRIC BLOCK VACUUM PUMP AXIAL FLOW FAN SELF-PRIMING PUMP DC MOTOR ELECTRIC WIRE ROPE BLOCK AXIAL FLOW PUMP SINGLE-BEAM HOOK GANTRY CRANE DOUBLE-BEAM LIFTING HOOK GANTRY CRANE ELECTRIC BLOCK GANTRY CRANE SHORT BALANCING CRANE ELECTRIC HOOK BRIDGE CRANE ELECTROMAGNETIC BRIDGE CRANE CANTILEVER CRANE SUMP PUMP OIL PUMP MOTORS DUAL ROPE ELECTRIC HOIST DOUBLE-HOOK ELECTRIC HOIST EXPLOSION-PROOF ELECTRIC HOIST ELECTRIC MONORAIL BUCKET CRANE BOILER BLOWER HIGH BALANCING CRANE ELECTRIC SINGLE-BEAM SUSPENSION CRANE ELECTRIC FULL ROTARY CANTILEVER CRANE WALL TYPE CANTILEVER CRANE ELECTROMAGNETIC ADJUSTABLE SPEED MOTOR FLAME-PROOF MOTOR AC ADJUSTABLE SPEED MOTOR