![Siew Hong Tan](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Siew Hong Tan
Corporate Secretary at
HENGYUAN REFINING COMPANY
Profile
Siew Hong Tan is currently a Member at The Malaysian Institute of Chartered Secretaries & Administra.
Mr. Tan is also Co-Secretary at Karex Bhd.,.
Hengyuan Refining Co. Bhd., and Crest Group Bhd., all starting in 2025.
Former positions include Joint Secretary at Formosa Prosonic Industries Bhd.
and.
Matang Bhd.
from 2023 to 2024, Co-Secretary at Taghill Holdings Bhd., and Co-Secretary at Yoong Onn Corp.
Bhd.
from 2018 to 2024.
Siew Hong Tan active positions
| Companies | Position | Start |
|---|---|---|
| HENGYUAN REFINING COMPANY | Corporate Secretary | 03/02/2025 |
| KAREX | Corporate Secretary | 09/10/2025 |
The Malaysian Institute of Chartered Secretaries & Administra | Corporate Officer/Principal | - |
Former positions of Siew Hong Tan
| Companies | Position | End |
|---|---|---|
| MATANG | Corporate Secretary | 28/02/2024 |
| YOONG ONN CORPORATION | Corporate Secretary | 27/02/2024 |
| SIAB HOLDINGS | Corporate Secretary | 27/02/2024 |
| FORMOSA PROSONIC INDUSTRIES | Corporate Secretary | 22/02/2024 |
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
60
1st degree connections
7
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 7 |
|---|---|
Hengyuan Refining Co. Bhd.
 Hengyuan Refining Co. Bhd. Oil Refining/MarketingEnergy Minerals Refines and manufactures petroleum products | Energy Minerals |
Formosa Prosonic Industries Bhd.
 Formosa Prosonic Industries Bhd. Miscellaneous ManufacturingProducer Manufacturing Operates as an investment holding company with interest in the manufacturing and sale of speaker system | Producer Manufacturing |
Yoong Onn Corp. Bhd.
 Yoong Onn Corp. Bhd. Home FurnishingsConsumer Durables Provides home linen and bedding products | Consumer Durables |
The Malaysian Institute of Chartered Secretaries & Administra | |
Karex Bhd.
 Karex Bhd. Miscellaneous ManufacturingProducer Manufacturing Operates as an investment holding company, which manufactures and sells condoms, catheters, probe covers and lubricating jelly | Producer Manufacturing |
Matang Bhd.
 Matang Bhd. Agricultural Commodities/MillingProcess Industries Operates as an investment holding company whose subsidiaries engages in management of plantation estate, sale of fresh fruit bunches and property holding & development activities | Process Industries |
Siab Holdings Bhd.
 Siab Holdings Bhd. Engineering & ConstructionIndustrial Services Constructs office buildings | Industrial Services |
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