Shareholder/investor  
Spokesperson Special assistant, Jenny Li
Tel. +886-3-563-9999
Email:jennylee@gpmcorp.com.tw
Assistant spokesperson Assistant Manager, Jessica Tseng
Tel. +886-3-563-9999
Email:jessica@gpmcorp.com.tw
Client  
Sales & Marketing Center Add. No.5-1, Innovation 1st. Rd., Hsinchu Science Park 300-76
Tel. +886-3-563-9999
Fax: +886-3-563-9988
Email:sales@gpmcorp.com.tw
Supplier  
Procurement Manufacturing & Logistics Division
Titan Huang
Tel. +886-4-2565-8866
Email:titan@gpmcorp.com.tw
Corporate Social Responsibility (CSR)  
CSR email If you have any suggestions or advice concerning CSR-related issues such as the environment or society, you are welcome to contact us via the CSR email.
csr@gpmcorp.com.tw
Ethical corporate management  
Email for reporting unethical conduct Whistle-blowing channel for unethical conduct
gpmaudit@gpmcorp.com.tw