President

• Name：Rui-Yuan Chuang
• Experience (Education): Department of Physics, Fu Jen Catholic University, Deputy General Manager of Grand Tone Enterprise Co., Ltd.
• Currently holding positions in other companies: General Manager of Grand Tone Enterprise Co., Ltd., Chairman of Yuanlong Investment Co., Ltd., Director of the Board of Yiding Co., Ltd., Director of the Board of Herui Investment Co., Ltd., Director of the Board of Taiding (Tianjin) Environmental Protection Technology Co., Ltd., Director of the Board of Lianyungangrongding Metal Co., Ltd., Director of the Board of Chungtai Resources Technology Corp., Supervisor of Geneaid Biotech Ltd.
• Responsibility: Operate and manage the company according to the orders of the Board of Directors.
   

Vice President of Management

• Name：Rui-Jin Chuang
• Experience (Education): MBA of University of California, Finance Manager of Dongfanglong Chinese Medicine Co., Ltd.
• Currently holding positions in other companies: Chairman of Yiding Co., Ltd., Chairman of Herui Investment Co., Ltd., Director of the Board of Lianyungangrongding Metal Co., Ltd., Chairman of Mingrui Co., Ltd.
• Responsibility: Manage and supervise domestic and international sales businesses
   

Vice President of Manufacturing

• Name : Jian-Hung Yang
• Experience (Education): Department of Environmental Engineering and Health, Yuanpei University of Medical Technology, Assistant Manager of the Recycling Division of JIIN YEEH DING Enterprise Corp.
• Currently holding positions in other companies: Director of the Board and Deputy General Manager of Grand Tone Enterprise Co., Ltd.
• Responsibility: Manage and supervise the businesses of Materials Division and Metal Recycling Division.
   

Vice President of Finance

• Name : Pei-Ru Xu Hsu
• Experience (Education): Master’s degree in Management Science, National Chiao Tung University, Deputy Manager of Deloitte Taiwan, Finance Deputy Manager of Info-Tek Corp., Finance Manager of QMI Industrial Co., Ltd.
• Currently holding positions in other companies: Deputy General Manager of Grand Tone Enterprise Co., Ltd., Director of the Board of Lianyungangrongding Metal Co., Ltd.
• Responsibility: Manage and supervise of the businesses of the Financial Division.
   

Assistant Manager of the Business Division

• Name : Jin-Gui Huang
• Experience (Education): Department of Mechanical Engineering, National Hsin Chu Senior Industrial Vocational School, Manager of the Business Division of JIIN YEEH DING Enterprise Corp.
• Currently holding positions in other companies: No
• Responsibility: Manage and supervise of the businesses of the Business Division.
   

Assistant Manager of the Administration Division

• Name : Mei-Mei Hu
• Experience (Education): Department of Computing, Ming Chuan University, System Analyst of Microelectronics Technology Inc., Manager of the Administration Division of Allied Material Technology Corp.
• Currently holding positions in other companies: No
• Responsibility: Manage and supervise of the businesses of the Administration Division