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List of Valid Intellectual Property Rights Owned by the Enterprise
No. | Intellectual property name | Authorization number | Authorization proclamation date |
| 1 | Pipeline Cleaning Device for Hydrometallurgical Zinc Production | 202422675843 | 10/28/2025 |
| 2 | Hydraulically-Actuated Valve Core Locking and Removal Device | 202423302326 | 9/9/2025 |
| 3 | Ball-Impact De-caking Device for Zinc Leach Residue Dryers | 202422586740 | 8/29/2025 |
| 4 | Corrosion-Resistant Fluid End for Low-Pressure Diaphragm Pumps | 202423303398 | 8/26/2025 |
| 5 | High-Precision Positioning and Surveying Device for Underground Mines | 202421466788 | 8/12/2025 |
| 6 | Slag Tapping Flow Control Tool for Fuming Furnaces | 202422851359 | 8/8/2025 |
| 7 | Feed Hopper for Wet Slag Crushing | 202422851360 | 8/8/2025 |
| 8 | Agitator Tank Cover for High-Temperature and Strong Acid Environments | 202422770135 | 8/8/2025 |
| 9 | Mobile Fault Inspection Unit for Mining Equipment | 202422458694 | 8/8/2025 |
| 10 | Filtration Unit for the Resource Utilization of Solid Waste Sludge | 202422164554 | 7/11/2025 |
| 11 | Multi-Stage Flue Gas Desulfurizer | 202421852584 | 7/11/2025 |
| 12 | Integrated Domestic Sewage Treatment Unit | 202421709280 | 5/30/2025 |
| 13 | Cooling System for High-Temperature, Corrosion-Resistant Triplex Simplex Diaphragm Pumps | 202422323148 | 5/16/2025 |
| 14 | Fluoride Removal Equipment for Fluoride-Containing Wastewater | 202421588422 | 5/6/2025 |
| 15 | Feed Valve Chamber for Corrosion-Resistant Diaphragm Pumps | 202421817691 | 1/21/2025 |
| 16 | Thermal Compensation Unit for High-Temperature Triplex Simplex Diaphragm Pumps | 202421105042 | 1/21/2025 |
| 17 | Hydraulic Redundancy Configuration for Constant-Deceleration Braking Systems of Mine Hoists | 202420953779 | 1/21/2025 |
| 18 | Arc Light and Spark Deflection Guard for Grinding Machines | 202420874556 | 1/7/2025 |
| 19 | Emergency Off-Gas Treatment System and Method for Non-Ferrous Metallurgy | 2021 1 0929774.2 | 9/10/2024 |
| 20 | Hydraulic Power and Control Unit for Large-Scale Diaphragm Pumps | 201711014672.8 | 7/5/2024 |
| 21 | Diaphragm Chamber Configuration | 201810521986.5 | 6/4/2024 |
| 22 | Hydraulic Fluid Chamber for Diaphragm Pump Actuation | 2018 11547114.2 | 6/4/2024 |
| 23 | Precise and Simplified Continuous Indexing Device | 201810868920.3 | 4/5/2024 |
| 24 | Segmental Grouting Device and Method for Culverts in Tailings Ponds | 2022 1 1118562.7 | 2/27/2024 |
| 25 | Smelting Process for Low-Lead Silver Concentrate | ?2022 1 0622335.1 | 2/27/2024 |
| 26 | Method and Equipment for Acidic Wastewater Treatment | 2019 1 0497016.0 | 2/9/2024 |
| 27 | Assessment Method for Monitoring and Early-Warning Capability of a Goaf Microseismic System | 2022113616088 | 12/31/2023 |
| 28 | Auxiliary Device for Magnetic Ring Position Detection on Guide Rods | 202321552943.6 | 11/17/2023 |
| 29 | Machining Fixture for Plungers of a Star-Type Diaphragm Pump | 202320583382.X | 9/19/2023 |
| 30 | Pipeline Assembly for Cavitation Prevention in Steam-Heated Zinc Leaching Agitation Tanks | 2022 2 3004021.X | 3/28/2023 |
| 31 | Simple Handling Device for Mechanical Maintenance | 2022 23147216.X | 3/28/2023 |
| 32 | Sealing Device for Material Leakage Prevention in Ball Mills | 202222999639.8 | 3/28/2023 |
| 33 | Enclosed Chain-Bucket Conveyor | 202222999689.6 | 3/28/2023 |
| 34 | Screening Equipment | 2022 23147210.2 | 3/28/2023 |
| 35 | Waste Heat Recovery System for Acid Production from Smelting Off-Gas | ?2022 2 2786667.1 | 3/24/2023 |
| 36 | Crosshead-to-Piston Rod Connection in the Power End of a Small-Tonnage, Duplex, Double-Acting Diaphragm Pump | 202222302664.6 | 1/10/2023 |
| 37 | Flanged Oil Discharge Structure for the Fluid End of a Triplex Simplex Diaphragm Pump | 202222288947.X | 1/10/2023 |
| 38 | Disassembly Tool for the Base of an Oil Replenishment and Discharge Signal Box | 202222288931.9 | 1/10/2023 |
| 39 | Split Valve Cartridge Assembly for Reciprocating Pumps and Pump Thereof | 202222874754.2 | 1/10/2023 |
| 40 | An anti-shock wave and anti-impact device for blocking air flow | ZL202123347321.3 | 12/9/2022 |
| 41 | A hydraulic double-column support device for high-pressure down-hole drilling in mine | ZL202123261221.9 | 12/9/2022 |
| 42 | A metallurgical cooling mechanism | ZL202222332509.9 | 11/25/2022 |
| 43 | A method for purifying and removing arsenic in a zinc hydrometallurgy system | ZL202110929773.8 | 11/15/2022 |
| 44 | An ingot zinc liquid ladle mold | ZL202121893738.7 | 11/15/2022 |
| 45 | A balancing device for a mine locomotive | CN214084250U | 8/31/2021 |
| 46 | A high-temperature medium isolation cooler device for a diaphragm pump | ZL202122622504.5 | 8/9/2022 |
| 47 | A multifunctional valve nut wrench for a large diaphragm pump | ZL202122623444.9 | 8/9/2022 |
| 48 | A feed valve cover lifting tool for a large diaphragm pump | ZL202122896411.1 | 4/8/2022 |
| 49 | A split diaphragm chamber cover | ZL202122896415.X | 4/8/2022 |
| 50 | A novel valve cone guide device | ZL202122896702.0 | 4/8/2022 |
| 51 | A novel diaphragm pump cylinder body | ZL202122897213.7 | 4/8/2022 |
| 52 | A multifunctional rubber diaphragm pump life measuring device | ZL202122592580.6 | 3/18/2022 |
| 53 | Zinc powder hydraulic atomization production equipment | ZL202121895198.6 | 3/4/2022 |
| 54 | Compressed air recovery system for zinc sheet stacking chain conveying, weighing and transferring equipment | ZL202121895219.4 | 3/4/2022 |
| 55 | A pressure regulating tool component of zinc smelting roaster | ZL202121894592.8 | 3/4/2022 |
| 56 | A zinc ingot cooling tank | ZL202121895228.3 | 3/4/2022 |
| 57 | A melting casting equipment used to make zinc-aluminum-magnesium alloy | ZL202121894284.5 | 3/4/2022 |
| 58 | Lime milk dosing system for water pretreatment process in zinc smelting | ZL202121894298.7 | 3/4/2022 |
| 59 | Non-ferrous metallurgy accident flue gas treatment system | ZL202121893733.4 | 3/4/2022 |
| 60 | Blanking, transferring and cleaning mechanism of automatic zinc stripping machine | ZL202121894595.1 | 3/4/2022 |
| 61 | Hydraulic end of a novel three-cylinder single-acting diaphragm pump | ZL202121703252.2 | 3/1/2022 |
| 62 | A novel disassembling structure of a guide bar support sleeve | ZL202022741786.6 | 1/25/2022 |
| 63 | A rotating device for monitoring a flotation machine | CN215088016U | 12/10/2021 |
| 64 | A rotary flange welding auxiliary device | CN214185955U | 9/14/2021 |
| 65 | A hydraulic end conveying device of a diaphragm pump resistant to hydrochloric acid corrosion | CN214196617U | 9/14/2021 |
| 66 | A novel hydraulic pin tooth car puller roller | CN214086758U | 8/31/2021 |
| 67 | A filter cloth cleaning machine | CN213668310U | 7/13/2021 |
| 68 | A lightweight hydraulic core stripping machine | CN213671779U | 7/13/2021 |
| 69 | A steam-heated bath hot-water system | CN213687000U | 7/13/2021 |
| 70 | Power-frequency cored induction furnace inductor | CN213687825U | 7/13/2021 |
| 71 | An acid discharge pipeline with a high slot | CN213679792U | 7/13/2021 |
| 72 | An automatic control device for a road gate of a mine car | CN213659221U | 7/9/2021 |
| 73 | A roadway flushing device | CN213654902U | 7/9/2021 |
| 74 | A multifunctional pull-out tool for a diaphragm pump | CN213616462U | 7/6/2021 |
| 75 | A cone valve spool of a large diaphragm pump | CN213627970U | 7/6/2021 |
| 76 | A guide bar supporting sleeve structure at the hydraulic end of a diaphragm pump | CN213627942U | 7/6/2021 |
| 77 | Withdrawal sleeve removal tool | CN213616433U | 7/6/2021 |
| 78 | Hall current sensor for detecting high DC current | CN213517290U | 6/22/2021 |
| 79 | A grille plate for extraction equipment | CN213507128U | 6/22/2021 |
| 80 | A liquid distributing structure of an air cooling tower | CN213515244U | 6/22/2021 |
| 81 | A thrower using compressed air | CN213504844U | 6/22/2021 |
| 82 | A continuous pouring device | CN213496376U | 6/22/2021 |
| 83 | A solid-liquid separation device for sampling | CN213516480U | 6/22/2021 |
| 84 | A manganese removal test flume for zinc hydrometallurgy technology | CN213507129U | 6/22/2021 |
| 85 | A hydraulic zinc ingot stripping machine | CN213496435U | 6/22/2021 |
| 86 | Circulation tank water adding device for acid absorber | CN213492894U | 6/22/2021 |
| 87 | Gland nut locking device and the withdrawal sleeve mounting structure using the locking device | CN213206359U | 5/14/2021 |
| 88 | Diaphragm pump chamber | CN306541994S | 5/14/2021 |
| 89 | An adjustable crankshaft counterweight device | CN212600565U | 2/26/2021 |
| 90 | A reverse nozzle protection system for power wave washing equipment | CN212417504U | 1/29/2021 |
| 91 | A device for temporarily connecting the sliding contact line of underground roadway electric locomotive | CN211995253U | 11/24/2020 |
| 92 | A bearing oil lubrication and support device for hydraulic control system | CN211174581U | 8/4/2020 |
| 93 | A pin shaft assembly of a diaphragm pump | CN211174574U | 8/4/2020 |
| 94 | A multi-position locking structure for the hydraulic end of a large diaphragm pump | CN211174543U | 8/4/2020 |
| 95 | A test mechanism for determining the position of a guide rod at the hydraulic end of a diaphragm pump | CN211174556U | 8/4/2020 |
| 96 | A low vibration diaphragm pump power end for stable operation | CN211174544U | 8/4/2020 |
| 97 | An auxiliary lifting tool for crankshaft assembly of three-cylinder single-acting diaphragm pump | CN210457160U | 5/5/2020 |
| 98 | Hydraulic end of a double-cylinder double-acting diaphragm pump | CN211174545U | 5/1/2020 |
| 99 | Four-cylinder single-acting hydraulic pendulum pump | CN210422906U | 4/28/2020 |
| 100 | A novel power end crankshaft for diaphragm pump and a crankshaft assembly using the crankshaft | CN210422980U | 4/28/2020 |
| 101 | ?A mining method using trackless equipment in complex ore bodies | CN108547615B | 2/26/2020 |
| 102 | A novel thermal desorption device for oil-base mud cuttings | CN209940814U | 1/14/2020 |
| 103 | Intermediate rod setting device for a double-cylinder double-acting diaphragm pump | CN209223959U | 8/9/2019 |
| 104 | A diaphragm pump propellant liquid cavity | CN209228583U | 8/9/2019 |
| 105 | External lubrication power components of hydraulic control system | CN209041104U | 6/28/2019 |
| 106 | A nitrogen package support device for a double-cylinder double-acting diaphragm pump | CN209041093U | 6/28/2019 |
| 107 | A two-position two-way valve set assembly fixture | CN209036388U | 6/28/2019 |
| 108 | Hydraulic power end of a diaphragm pump | CN208900329U | 5/24/2019 |
| 109 | Zinc hydrometallurgy and selenium removal technology | CN107686887B | 4/5/2019 |
| 110 | An accurate and simple continuous division device | CN208614387U | 3/19/2019 |
| 111 | An accurate guide device for accurately detecting hexagonal bodies | CN208547336U | 2/26/2019 |
| 112 | A split assembly type valve cone guide device for a diaphragm pump | CN208221071U | 12/11/2018 |
| 113 | A zinc ingot continuous casting equipment | CN208853672U | 10/10/2018 |
| 114 | A complete set of equipment for processing hydrocarbon-contained solid waste | CN207872722U | 9/18/2018 |
| 115 | A centrifugal pump impeller positioning and rapid replacement bearing mechanism, impeller positioning method and bearing replacement method | CN106368978B | 7/17/2018 |
| 116 | A medium-frequency quenching induction device for a diaphragm pump valve cone | CN207552381U | 6/29/2018 |
| 117 | A thermal desorption device for oil-based mud cuttings | CN207418571U | 5/29/2018 |
| 118 | A large hydraulic power and control unit for a diaphragm pump | CN207406576U | 5/25/2018 |
| 119 | A nitrogen package structure of a diaphragm pump with anticorrosive lining | CN207406466U | 5/25/2018 |
| 120 | A front guide split type guide bar support device | CN207315626U | 5/4/2018 |
| 121 | A discharge pulsation compensation device for a diaphragm pump | CN210440196U | 5/4/2018 |
| 122 | A high-pressure coal slurry pump propulsion fluid system | CN207278477U | 4/27/2018 |
| 123 | A connecting structure of a diaphragm pump feed pipe and a valve box | CN207278495U | 4/27/2018 |
| 124 | Box boring fixture | CN106475596B | 4/3/2018 |
| 125 | Water supply and circulating water system for zinc roasting and acid making | CN106395762A | 3/30/2018 |
| 126 | Crankshaft shoulder R machining device | CN207155472U | 3/30/2018 |
| 127 | A diaphragm pump fault detection system | CN207161310U | 3/30/2018 |
| 128 | A top plate fixture for processing eccentric diameter of a crankshaft | CN207155291U | 3/30/2018 |
| 129 | A three-cylinder single-acting diaphragm pump support sleeve disassembly device | CN207155688U | 3/30/2018 |
| 130 | A lift-type valve cone assembly locking fixture for diaphragm pump valve | CN207155692U | 3/30/2018 |
| 131 | A fatigue test device for a rubber diaphragm of a diaphragm pump | CN105822537B | 3/13/2018 |
| 132 | Hydraulic atomized zinc powder production system | CN207723491U | 1/12/2018 |
| 133 | A zinc hydrometallurgy method with iron removal by alum precipitation at low pollution | CN100374592C | 3/12/2008 |
China Nonferrous Metal Industry's Foreign Engineering and Construction Co., Ltd. JGWAB 11010502019766 Beijing ICP Registration 10052038
Technical support: Zhonghengdian International Information Technology Co., Ltd.
