Dong Yu Telecom. Application services for Far EasTone, Chunghwa Telecom, Taiwan Mobile, T Star, and Asia Pacific Telecom. We have everything you need for mobile top-up cards and phone accessories~ Welcome! Application services for Far EasTone, Chunghwa Telecom, Taiwan Mobile, T Star, and Asia Pacific Telecom. We have everything you need for mobile top-up cards and phone accessories~ Welcome!! We also undertake surveillance system engineering and remote monitoring services~ Address: 臺東縣鹿野鄉中華路二段3號 Hours: 00:00–23:59 Taitung