Certificate Type: CE

Certificate No.: M.2025.206.C129280

Issue Date: 2025-10-11

Expiry Date: 2030-09-11

Scope: Submersible Mixer

Issued By: UDEM

Certificate Type: ISO 45001

Certificate No.: 08924S31469R0S

Issue Date: 2024-07-26

Expiry Date: 2027-07-25

Scope: Occupational Health And Safety Management Activities Related To The Production And Sales Of Water Treatment Equipment (Mixers, Submersible Thrusters, Rotary Grid Machines, Submersible Aerators, And Scraper Suction Machines) In The Production And Sales Site

Issued By: (ZSBC)

Certificate Type: ISO 14001

Certificate No.: 08924E31518R0S

Issue Date: 2024-07-26

Expiry Date: 2027-07-25

Scope: Environmental Management Activities Related To The Production And Sales Of Water Treatment Equipment (Mixers, Submersible Thrusters, Rotary Grid Machines, Submersible Aerators, Scraper Suction Machines)

Issued By: (ZSBC)

Certificate Type: ISO 9001

Certificate No.: 08924Q51924R0S

Issue Date: 2024-07-26

Expiry Date: 2027-07-25

Scope: Production And Sales Of Water Treatment Equipment (Mixers, Submersible Thrusters, Rotary Grid Machines, Submersible Aerators, Scraper Suction Machines)

Issued By: (ZSBC)

Certificate Type: Utility Model Patent Certificate

Certificate No.: Certificate No. 21614528 (Patent No.: ZL 2023 2 3290915.4)

Issue Date: 2024-08-30

Expiry Date: 2033-11-01

Scope: A kind of hyperboloid mixer

Issued By: China National Intellectual Property Administration (CNIPA)

Certificate Type: Utility Model Patent Certificate

Certificate No.: Certificate No. 20586470 (Patent No.: ZL 2023 2 2155168.7)

Issue Date: 2024-03-15

Expiry Date: 2033-08-11

Scope: A high-speed submersible mixer

Issued By: China National Intellectual Property Administration (CNIPA)

Certificate Type: Utility Model Patent Certificate

Certificate No.: Certificate No. 20791711 (Patent No.: ZL 2023 2 2155235.5)

Issue Date: 2024-04-19

Expiry Date: 2033-08-11

Scope: A high-efficiency frame mixer

Issued By: China National Intellectual Property Administration (CNIPA)

Certificate Type: Utility Model Patent Certificate

Certificate No.: Certificate No. 20809502 (Patent No.: ZL 2023 2 2155270.7)

Issue Date: 2024-04-19

Expiry Date: 2033-08-11

Scope: A rotary grid machine

Issued By: China National Intellectual Property Administration (CNIPA)

Certificate Type: Utility Model Patent Certificate

Certificate No.: Certificate No. 21295775 (Patent No.: ZL 2023 2 3270653.5)

Issue Date: 2024-07-11

Expiry Date: 2033-12-01

Scope: A submersible thruster

Issued By: China National Intellectual Property Administration (CNIPA)

Certificate Type: Utility Model Patent Certificate

Certificate No.: Certificate No. 21036847 (Patent No.: ZL 2023 2 2798326.0)

Issue Date: 2024-05-31

Expiry Date: 2033-10-18

Scope: An adjustable paddle mixer

Issued By: China National Intellectual Property Administration (CNIPA)

Certificate Type: Third-party Inspection and Testing Report

Certificate No.: NZJ (2024) ZN01-00246Z

Issue Date:

Expiry Date:

Scope: Vertical Hydrofoil Mixer

Issued By: Nanjing Institute of Supervision & Testing on Product Quality (NQI)

Certificate Type: Third-party Inspection and Testing Report

Certificate No.: NZJ (2023) ZN01-00671Z

Issue Date:

Expiry Date:

Scope: Rotary Grid Machine

Issued By: Nanjing Institute of Supervision & Testing on Product Quality (NQI)

Certificate Type: Third-party Inspection and Testing Report

Certificate No.: NZJ (2023) ZN01-00673Z

Issue Date:

Expiry Date:

Scope: Paddle Mixer

Issued By: Nanjing Institute of Supervision & Testing on Product Quality (NQI)

Certificate Type: Third-party Inspection and Testing Report

Certificate No.: NZJ (2023) ZN01-00669Z

Issue Date:

Expiry Date:

Scope: Submersible Mixer

Issued By: Nanjing Institute of Supervision & Testing on Product Quality (NQI)

Certificate Type: Third-party Inspection and Testing Report

Certificate No.: NZJ (2023) ZN01-00670Z

Issue Date:

Expiry Date:

Scope: Submersible Aerator

Issued By: Nanjing Institute of Supervision & Testing on Product Quality (NQI)

Certificate Type: Third-party Inspection and Testing Report

Certificate No.: NZJ (2023) ZN01-00672Z

Issue Date:

Expiry Date:

Scope: Submersible Thruster

Issued By: Nanjing Institute of Supervision & Testing on Product Quality (NQI)

Certificate Type: Third-party Inspection and Testing Report

Certificate No.: NZJ (2021) ZN01-00662Z

Issue Date:

Expiry Date:

Scope: Sludge Scraper Suction Machine

Issued By: Nanjing Institute of Supervision & Testing on Product Quality (NQI)

Certificate Type: Third-party Inspection and Testing Report

Certificate No.: NZJ (2021) ZN01-00660Z

Issue Date:

Expiry Date:

Scope: Electric Cast Iron Copper-inlaid Gate

Issued By: Nanjing Institute of Supervision & Testing on Product Quality

Certificate Type: Third-party Inspection and Testing Report

Certificate No.: NZJ (2021) ZN01-00650Z

Issue Date:

Expiry Date:

Scope: Volute Sludge Dewatering Machine

Issued By: Nanjing Institute of Supervision & Testing on Product Quality

Certificate Type: Third-party Inspection and Testing Report

Certificate No.: NZJ (2021) ZN01-00658Z

Issue Date:

Expiry Date:

Scope: Comminutor Bar Screen

Issued By: Nanjing Institute of Supervision & Testing on Product Quality

Certificate Type: Third-party Inspection and Testing Report

Certificate No.: NZJ (2021) ZN01-00652Z

Issue Date:

Expiry Date:

Scope: Submersible Return Pump

Issued By: Nanjing Institute of Supervision & Testing on Product Quality

Certificate Type: Third-party Inspection and Testing Report

Certificate No.: NZJ (2021) ZN01-00659Z

Issue Date:

Expiry Date:

Scope: Rotary Grid Decontamination Machine

Issued By: Nanjing Institute of Supervision & Testing on Product Quality

Certificate Type: Third-party Inspection and Testing Report

Certificate No.: NZJ (2021) ZN01-00655Z

Issue Date:

Expiry Date:

Scope: Paddle Mixer

Issued By: Nanjing Institute of Supervision & Testing on Product Quality

Certificate Type: Third-party Inspection and Testing Report

Certificate No.: NZJ (2021) ZN01-00653Z

Issue Date:

Expiry Date:

Scope: Fountain Aerator

Issued By: Nanjing Institute of Supervision & Testing on Product Quality

Certificate Type: Third-party Inspection and Testing Report

Certificate No.: NZJ (2021) ZN01-00651Z

Issue Date:

Expiry Date:

Scope: Belt Conveyor

Issued By: Nanjing Institute of Supervision & Testing on Product Quality

Certificate Type: Third-party Inspection and Testing Report

Certificate No.: NZJ (2021) ZN01-00383Z

Issue Date:

Expiry Date:

Scope: Aerator

Issued By: Nanjing Institute of Supervision & Testing on Product Quality

Certificate Type: Third-party Inspection and Testing Report

Certificate No.: NZJ (2021) ZN01-00381Z

Issue Date:

Expiry Date:

Scope: Submersible Mixer

Issued By: Nanjing Institute of Supervision & Testing on Product Quality

Certificate Type: Third-party Inspection and Testing Report

Certificate No.: NZJ (2021) ZN01-00382Z

Issue Date:

Expiry Date:

Scope: Submersible Thruster

Issued By: Nanjing Institute of Supervision & Testing on Product Quality

Certificate Type: Third-party Inspection and Testing Report

Certificate No.: NZJ (2021) ZN01-00657Z

Issue Date:

Expiry Date:

Scope: Deep Water Mixing Aerator

Issued By: Nanjing Institute of Supervision & Testing on Product Quality

Certificate Type: Third-party Inspection and Testing Report

Certificate No.: NZJ (2021) ZN01-00656Z

Issue Date:

Expiry Date:

Scope: Hyperboloid Mixer

Issued By: Nanjing Institute of Supervision & Testing on Product Quality

Certificate Type: Third-party Inspection and Testing Report

Certificate No.: NZJ (2021) ZN01-00654Z

Issue Date:

Expiry Date:

Scope: Push-flow Aerator

Issued By: Nanjing Institute of Supervision & Testing on Product Quality

Certificate Type: Third-party Inspection and Testing Report

Certificate No.: NZJ (2021) ZN01-00661Z

Issue Date:

Expiry Date:

Scope: Micro-nano Aerator

Issued By: Nanjing Institute of Supervision & Testing on Product Quality

Certificate Type: Utility Model Patent Certificate

Certificate No.: No. 13603766 (Patent No.: ZL 2020 2 2097655.9)

Issue Date: 2021-07-06

Expiry Date: 2030-09-22

Scope: A kind of W-type sludge return pump

Issued By: China National Intellectual Property Administration (CNIPA)

Certificate Type: Utility Model Patent Certificate

Certificate No.: No. 13765426 (Patent No.: ZL 2020 2 2109705.0)

Issue Date: 2021-07-23

Expiry Date: 2030-09-22

Scope: A kind of pontoon-type hyperboloid mixer

Issued By: China National Intellectual Property Administration (CNIPA)

Certificate Type: Utility Model Patent Certificate

Certificate No.: No. 13328001 (Patent No.: ZL 2020 2 2100954.3)

Issue Date: 2021-06-01

Expiry Date: 2030-09-22

Scope: A kind of low-speed push-flow mixer

Issued By: China National Intellectual Property Administration (CNIPA)

Certificate Type: Utility Model Patent Certificate

Certificate No.: No. 13327475 (Patent No.: ZL 2020 2 2151153.X)

Issue Date: 2021-06-01

Expiry Date: 2030-09-26

Scope: kind of rotary rake type grid decontamination machine

Issued By: China National Intellectual Property Administration (CNIPA)

Certificate Type: Utility Model Patent Certificate

Certificate No.: No. 13379843 (Patent No.: ZL 2020 2 2148511.1)

Issue Date: 2021-06-08

Expiry Date: 2030-09-26

Scope: A kind of submersible mixer with stainless steel pontoon

Issued By: China National Intellectual Property Administration (CNIPA)

Certificate Type: Utility Model Patent Certificate

Certificate No.: No. 13375688 (Patent No.: ZL 2020 2 2147470.4)

Issue Date: 2021-06-08

Expiry Date: 2030-09-26

Scope: A kind of submersible mixer with a new impeller structure

Issued By: China National Intellectual Property Administration (CNIPA)

Certificate Type: Utility Model Patent Certificate

Certificate No.: No. 13301975 (Patent No.: ZL 2020 2 2222829.X)

Issue Date: 2021-06-01

Expiry Date: 2030-10-07

Scope: A kind of dual-purpose machine for deep water aeration and mixing

Issued By: China National Intellectual Property Administration (CNIPA)

Certificate Type: Utility Model Patent Certificate

Certificate No.: No. 13384838 (Patent No.: ZL 2020 2 2224201.3)

Issue Date: 2021-06-08

Expiry Date: 2030-10-07

Scope: A kind of swirl grit chamber decontamination machine

Issued By: China National Intellectual Property Administration (CNIPA)

Certificate Type: Utility Model Patent Certificate

Certificate No.: No. 13381079 (Patent No.: ZL 2020 2 2230139.9)

Issue Date: 2021-06-08

Expiry Date: 2030-10-07

Scope: A kind of peripheral drive type scraper

Issued By: China National Intellectual Property Administration (CNIPA)

Certificate Type: Utility Model Patent Certificate

Certificate No.: No. 13703363 (Patent No.: ZL 2020 2 2151042.9)

Issue Date: 2021-07-16

Expiry Date: 2030-09-26

Scope: A kind of paddle mixer

Issued By: China National Intellectual Property Administration (CNIPA)

Certificate Type: Utility Model Patent Certificate

Certificate No.: No. 13751505 (Patent No.: ZL 2020 2 2221964.2)

Issue Date: 2021-07-23

Expiry Date: 2030-10-07

Scope: A kind of push-flow mixing aerator

Issued By: China National Intellectual Property Administration (CNIPA)

Certificate Type: Utility Model Patent Certificate

Certificate No.: No. 13620588 (Patent No.: ZL 2020 2 2222338.5)

Issue Date: 2021-07-06

Expiry Date: 2030-10-07

Scope: A kind of screw press

Issued By: China National Intellectual Property Administration (CNIPA)

Certificate Type: Utility Model Patent Certificate

Certificate No.: No. 13620372 (Patent No.: ZL 2020 2 2148264.5)

Issue Date: 2021-07-06

Expiry Date: 2030-09-26

Scope: A kind of rotary grid decontamination machine

Issued By: China National Intellectual Property Administration (CNIPA)

Certificate Type: Utility Model Patent Certificate

Certificate No.: No. 13605460 (Patent No.: ZL 2020 2 2100935.0)

Issue Date: 2021-07-06

Expiry Date: 2030-09-22

Scope: A kind of stamping type mixer

Issued By: China National Intellectual Property Administration (CNIPA)

Certificate Type: Utility Model Patent Certificate

Certificate No.: No. 13618726 (Patent No.: ZL 2020 2 2224222.5)

Issue Date: 2021-07-06

Expiry Date: 2030-10-07

Scope: A new type of submersible mixer

Issued By: China National Intellectual Property Administration (CNIPA)

Certificate Type: Utility Model Patent Certificate

Certificate No.: No. 13933250 (Patent No.: ZL 2020 2 2102252.9)

Issue Date: 2021-08-13

Expiry Date: 2030-09-22

Scope: A kind of pontoon-type submersible centrifugal aerator

Issued By: China National Intellectual Property Administration (CNIPA)

Certificate Type: ISO 14001

Certificate No.: 08924E31633R0S

Issue Date: 2024-08-08

Expiry Date: 2027-08-07

Scope: Environmental Management Activities Related To The Sales Of Water Treatment Equipment (Mixers, Impellers, Paddle Mixers, Rotary Grates, Aerators) In The Premises Involved

Issued By: Beijing Zhongshui Excellence Certification Co., Ltd. (ZSBC)

Certificate Type: ISO 9001

Certificate No.: 08924Q52060R0S

Issue Date: 2024-08-08

Expiry Date: 2027-08-07

Scope: Sales Of Water Treatment Equipment (Mixers, Impellers, Paddle Mixers, Rotary Grates, Aerators)

Issued By: Beijing Zhongshui Excellence Certification Co., Ltd. (ZSBC)

Certificate Type: ISO 45001

Certificate No.: 08924S31577R0S

Issue Date: 2024-08-08

Expiry Date: 2027-08-07

Scope: Occupational Health And Safety Management Activities Related To The Sales Of Water Treatment Equipment (Mixers, Impellers, Paddle Mixers, Rotary Grates, Aerators)

Issued By: Beijing Zhongshui Excellence Certification Co., Ltd. (ZSBC)

Certificate Type: 1688 Super Key Account

Certificate No.:

Issue Date:

Expiry Date:

Scope: Nanjing Lanjiang Pump Industry Co., Ltd.

Issued By: Alibaba (China) Network Technology Co., Ltd.

Certificate Type: Jiangsu Private Science and Technology Enterprise

Certificate No.: No. 20240332012027112200079

Issue Date:

Expiry Date:

Scope: Nanjing Lanjiang Pump Industry Co., Ltd.

Issued By: Jiangsu Private Science & Technology Enterprise Association

Certificate Type: Advanced Unit

Certificate No.:

Issue Date:

Expiry Date:

Scope: Corporate Honorary Recognition

Issued By: CPC Luhe District XiongZhou Street Working Committee / Luhe District People's Government XiongZhou Street Office

Certificate Type: Nanjing Gazelle Enterprise

Certificate No.:

Issue Date:

Expiry Date:

Scope: Nanjing Lanjiang Water Treatment Equipment Co., Ltd.

Issued By: Nanjing Development and Reform Commission

Certificate Type: High-tech Enterprise Certificate

Certificate No.: GR202132008612

Issue Date:

Expiry Date:

Scope: Nanjing Lanjiang Water Treatment Equipment Co., Ltd.

Issued By: Jiangsu Provincial Department of Science and Technology, Jiangsu Provincial Department of Finance, Jiangsu Provincial Tax Service of State Taxation Administration

Certificate Type: Advanced Unit for High-Quality Development

Certificate No.:

Issue Date:

Expiry Date:

Scope: Corporate Honorary Recognition

Issued By: CPC Luhe District XiongZhou Street Working Committee / Luhe District People's Government XiongZhou Street Office

Certificate Type: Advanced Unit for High-Quality Development

Certificate No.:

Issue Date:

Expiry Date:

Scope: Corporate Honorary Recognition

Issued By: CPC Luhe District XiongZhou Street Working Committee / Luhe District People's Government XiongZhou Street Office

Certificate Type: Jiangsu Province Science and Technology SME

Certificate No.: 2024320116A0009225

Issue Date:

Expiry Date:

Scope: Nanjing Lanjiang Pump Industry Co., Ltd.

Issued By: Jiangsu Provincial Department of Science and Technology

Certificate Type: Jiangsu Private Science & Technology Enterprise

Certificate No.:

Issue Date:

Expiry Date:

Scope: Corporate Honorary Recognition

Issued By: Jiangsu Private Science & Technology Enterprise Association

Certificate Type: Jiangsu Private Science and Technology Enterprise

Certificate No.: No. 20240332012027112200078

Issue Date:

Expiry Date:

Scope: Nanjing Lanjiang Water Treatment Equipment Co., Ltd.

Issued By: Jiangsu Private Science & Technology Enterprise Association

Certificate Type: Jiangsu Province Science and Technology SME

Certificate No.: 202132011600023053

Issue Date:

Expiry Date:

Scope: Nanjing Lanjiang Water Treatment Equipment Co., Ltd.

Issued By: Jiangsu Provincial Department of Science and Technology

Certificate Type: 2020 Advanced Unit for Striving for Excellence and Promoting High-Quality Development

Certificate No.:

Issue Date:

Expiry Date:

Scope: Corporate Honorary Recognition

Issued By: CPC Luhe District XiongZhou Street Working Committee / Luhe District People's Government XiongZhou Street Office