IR Contacts
Investor Relations
Spokesperson：LIU,HSIEN-WEN
Job title : General Manager
Tel : (07)371-3588#314
E-mail：ystech@ystech.com.tw
Stock Transfer Agen
Grand Fortunes Securities Co., Ltd Transfer Agency Department
Address:：6F.,No. 6, Section 1, Zhongxiao West Road., Zhongzheng District., Taipei City 100405 , Taiwan (R.O.C.)
Tel：（02）2383-6888
E-mail : trade@mail.gfortune.com.tw
Employee Grievance
Contact : Miss HONG
Jobtitle：Human Resources Manager
Tel：（07）371-3588#304
E-mail : hr@ystech.com.tw
Customer Service
Contact : Miss TSAI
Jobtitle：Customer Service Executive
Tel：（07）371-3588#100
E-mail : sales@ystech.com.tw
Supplier
Contact : Mr. TSAI
Jobtitle：Supply Chain Manager
Tel：（07）371-3588#374
E-mail : supply@ystech.com.tw
