Patent Certificate
Haihui / Patent Certificate
Rizhao Science and Technology Award: HNT Series
Rizhao Science and Technology Award: Sewage Sludge
Rizhao City Patent Award: Rotary Sludge Treatment System and Its Treatment Process
Rizhao City Patent Award: Automated Production System for Main Struts of Tower Lifts
A dust collector pulse-jet system designed to prevent filter bags from being blown out of position and damaged
Automated production system for main struts of tower cranes
Washed and screened stone processing plant
Demagnetising device for electromagnets
Rotary sludge treatment system and its treatment process
High-temperature safety relief valve for dust collectors
Fully automatic belt alignment system for belt conveyors
Bag filter
Belt conveyor unloading vehicle
Conveyor belt system
Telescopic Feeding Device for Belt Conveyors
Air-cushion conveyor
Deflection roller assembly for conveyors
Electric lift valve for bag filters
Rotary-electrode electrostatic-bag composite dust collector
Conveyor belt system
Fully enclosed pressure-resistant weighing coal feeder
Telescopic Feeding Device for Belt Conveyors
Bag filter
Airflow-adjustable classifier
Air-cushion conveyor
Electrical control unit for a multi-tube impact-type dust collector
Sealing device for the piston push rod of a multi-tube impact dust collector
Bypass valve for bag filter flue duct
Belt conveyor belt changing device
Mobile container loader
Expandable flange coupling
Housing seal assembly for powder conveying equipment
Roller polishing unit
Improved forklift boom
New concealed-shaft spiral tensioning device
Spray painting machine
Motor safety protection circuit
Expandable flange coupling
Multi-stage rotary sand screening unit
Pneumatically operated sliding door mechanism
Magnetic levitation cushion bed
Classifier unit
Suspended cushioning idler assembly
Heavy-duty drum
Rolling Shaft Water Resistance Test Apparatus
Rotary feeder
Pneumatically operated sliding door mechanism
Refining ladle
Magnetic levitation cushion bed
Multi-chamber, fully enclosed, double-walled feed chute
Ball mill ball classifier
New Pulse-Jet Cleaning System
Rolling Shaft Water Resistance Test Apparatus
Magnetic levitation cushion bed
Automatic ash discharge control system for dust collectors
Low-temperature multi-effect seawater desalination plant
Boiler dust filter bag protection device
Air injection nozzle
Utility Model for a Washed and Screened Aggregate Processing Unit
Hydraulic dismantling and assembly machine
Protective plate for vertical crusher rotor
Dust removal and heat exchange unit
Positioning device for crusher hammer shafts
Protective plate for vertical crusher rotor
Pulse-jet bag filter
Positioning device for crusher hammer shafts
Safety device for the crusher feed inlet
Crusher feed opening guard
Dust removal and heat exchange unit
Protective device for the base of a vertical crusher
Lightweight central screw tensioning device for belt conveyors
Access door for the hoist with a convenient switch
Blockage-resistant tubular screw conveyor
Adjustable flap valve
Elevator sprocket
Discharge outlet sealing device for a classifier
Hydraulic ridge tile forming machine
Bearing sealing assembly
Airflow measurement device for air dampers
Automatic weighing system
Hydraulic roofing machine
External bearing support
Hydraulic ridge tile forming machine
Chain drive mechanism for a hoist
New type of coupling
Adjustable flap valve
Crusher rotor disc
Improved classifier rotor
Improved stacking machine
Hydraulic roofing machine
Discharge outlet sealing device for a classifier
New type of coupling
External bearing support
Chain drive mechanism for a hoist
Elevator sprocket
Hydraulic ridge tile forming machine