Stakeholders

1. Main stakeholders and their concerns:
♦ Stakeholders of the company include employees, suppliers, customers, investors and shareholders, etc.
♦ In order to pay attention to the rights and interests of stakeholders, understand the reasonable expectations and needs of stakeholders through the following good communication platforms with stakeholders; the company discusses through meetings, smooth employee communication channels, customer visits and cooperation, suppliers correct Social contacts and surveys, as well as multiple communication channels with investors such as public information on the Internet, in order to obtain the opinions of stakeholders, through reference and collection of various good feedback and suggestions, incorporated and used as long-term goals for planning the company's development.

2. The following are the communication channels established by the company and various stakeholders:

Stakeholder

Channel Connection
Employee ,Community , Building Management Committee... Personnel care
Labor-management meetings and symposiums
Staff welfare organization
HR
Email : grace_cheng@yctc.com.tw
Supplier Relations Phone/Fax/Email , Related Job Forms , Supplier Survey
or other channels that directly correspond to company executives
Purchasing Department
Email : Supplier@yctc.com.tw
Customer Relations Phone/Fax/Email , Related Job Forms , customer satisfaction survey , or other channels that directly correspond to company executives Business Unit
Email : Customer@yctc.com.tw
Investor Relations Spokesperson and Acting Spokesperson System , 
Regularly publish financial information , 
meeting of shareholders 
Speaker
Email : Selina_Chiu@yctc.com.tw
Correspondent bank and other creditor relations Phone/Fax/Email , Regularly publish financial information Finance Department
Email : Selina_Chiu@yctc.com.tw

3. Response mechanism
♦ For communication issues that belong to individuals, cases or non-public business, use individual responses
♦ Issues that belong to the overall suggestion will be recorded in the question and answer column after being answered by the corresponding contact channel

4. Q&A column
Issue Reply To Comments Date
Whether the output can support the demand of the industry. Accelerate the automated process in production, in addition to effectively increasing production capacity, while reducing manpower requirements and increasing quality    2021.06
Future annual business plan Focus on the heat pipe industry, maintain the leading heat pipe manufacturing, and expand the mobile phone pipe and heat plate business  2022.08

5. List of interested parties-investors-major shareholders  (TOP 10)
Name shares %
Taipei Fubon Commercial Bank entrusted investing account (Rayman Inc. Samoa) 19,141,784 10.49%
Feng Lei Investing Co. Ltd. 18,904,000 10.36%
Taipei Fubon Commercial Bank entrusted investing account (Hai-De Share Control Inc.) 18,321,000 10.04%
Advance Program Ltd. 17,931,181 9.83%
Supercap Industrial Co., Ltd. 17,056,602 9.35%
Taipei Fubon Commercial Bank entrusted investing account (Kao-Wei Investing Inc.) 16,181,000 8.87%
Bellevuecity Construction Co., Ltd. 15,677,236 8.59%
Taipei Fubon Commercial Bank entrusted investing account(Weichiang Ltd.) 15,281,493 8.37%
Investment Account of Wei Dan Co. Ltd. 9,095,000 4.98%
Tong Wei Investing Corp. 3,609,000 1.98%
 2022/04/17