ChM. Ts. Dr. Tan Kok Weng
membership
- malaysian institute of chemistry (ikm), associate, May 2014.
- malaysian institute of chemistry (ikm), member, January 2019 - December 2019.
- malaysian institute of chemistry (ikm), member, January 2020 - December 2020.
- malaysian institute of chemistry (ikm), member, January 2021 - December 2021.
- malaysian institute of chemistry (ikm), member, December 2023 - December 2023.
- malaysian institute of chemistry (ikm), member, January 2024 - December 2024.
certification for practice
- lembaga teknologis malaysia, ts., July 2021 - July 2022.
- lembaga teknologis malaysia, green technology, July 2022.
- malaysia board of technologists (mbot), green technology, July 2023 - July 2024.