| 2025 | San Mateo County China Trade Association | 990EZ | President | 0 | $0 | - | View return |
| 2024 | Peninsula Chinese Business Alliance | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | Peninsula Chinese Business Association Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2024 | Chinese American Association of Commerce | 990 | President | 12 | $0 | $0 | View return |
| 2024 | San Mateo County China Trade Association | 990EZ | President | 0 | $0 | - | View return |
| 2024 | Chinese American Association of Commerce Foundation | 990 | President | 5 | $0 | $0 | View return |
| 2023 | Peninsula Chinese Business Association Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Peninsula Chinese Business Alliance | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | San Mateo County China Trade Association | 990EZ | President | 0 | $0 | - | View return |
| 2023 | Chinese American Association of Commerce | 990 | President | 12 | $0 | $0 | View return |
| 2023 | Duck Sin Benevolent Association | 990 | President | 1 | $0 | $0 | View return |
| 2023 | Duck Sin Foundation | 990 | President | 1 | $0 | $0 | View return |
| 2022 | San Mateo County China Trade Association | 990EZ | President | 0 | $0 | - | View return |
| 2022 | Chinese American Association of Commerce | 990 | President | 12 | $0 | $0 | View return |
| 2022 | Duck Sin Foundation | 990 | President | 1 | $0 | $0 | View return |
| 2022 | Peninsula Chinese Business Association Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Duck Sin Benevolent Association | 990 | President | 1 | $0 | $0 | View return |
| 2022 | Peninsula Chinese Business Alliance | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | San Mateo County China Trade Association | 990EZ | President | 0 | $0 | - | View return |
| 2021 | Duck Sin Foundation | 990 | President | 1 | $0 | $0 | View return |
| 2021 | Peninsula Chinese Business Association Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2021 | Duck Sin Benevolent Association | 990 | President | 1 | $0 | $0 | View return |
| 2021 | Chinese American Association of Commerce | 990 | President | 12 | $0 | $0 | View return |
| 2020 | San Mateo County China Trade Association | 990EZ | President | 0 | $0 | - | View return |
| 2020 | Chinese American Association of Commerce | 990 | Vice President | 12 | $0 | $0 | View return |
| 2020 | Peninsula Chinese Business Association Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Duck Sin Foundation | 990 | Vice President | 1 | $0 | $0 | View return |
| 2020 | Duck Sin Benevolent Association | 990 | Vice President | 1 | $0 | $0 | View return |
| 2019 | Peninsula Chinese Business Association Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | San Mateo County China Trade Association | 990EZ | President | 0 | $0 | - | View return |
| 2019 | Duck Sin Benevolent Association | 990 | Vice President | 1 | $0 | $0 | View return |
| 2019 | Duck Sin Foundation | 990 | Vice President | 1 | $0 | $0 | View return |
| 2018 | Duck Sin Foundation | 990 | Vice President | 1 | $0 | $0 | View return |
| 2018 | San Mateo County China Trade Association | 990EZ | President | 0 | $0 | - | View return |
| 2018 | Duck Sin Benevolent Association | 990 | Vice President | 1 | $0 | $0 | View return |
| 2018 | Duck Sin Foundation | 990 | Vice President | 1 | $0 | $0 | View return |
| 2018 | Duck Sin Benevolent Association | 990 | Vice President | 1 | $0 | $0 | View return |
| 2018 | San Mateo County China Trade Association | 990EZ | President | 0 | $0 | - | View return |
| 2017 | San Mateo County China Trade Association | 990EZ | President | 0 | $0 | - | View return |
| 2017 | Duck Sin Foundation | 990 | Vice President | 1 | $0 | $0 | View return |
| 2017 | Duck Sin Benevolent Association | 990 | Vice President | 1 | $0 | $0 | View return |
| 2016 | San Mateo County China Trade Association | 990EZ | President | 0 | $0 | - | View return |
| 2016 | Duck Sin Benevolent Association | 990 | Vice President | 1 | $0 | $0 | View return |
| 2016 | Duck Sin Foundation | 990 | Vice President | 1 | $0 | $0 | View return |