Welldone Co. engages in sales of OK prepaid SIM cards and internet game point cards, telecommunication micro payment services, and remittance services for foreign workers. Its products include marketing of mobile phone prepaid cards, prepaid international phone cards, and telecom cost savings card, provision of payment platform and access online games, and operating online games and mobile games. The company was founded by Tun Jen Chen on August 19, 1977 and is headquartered in Taipei, Taiwan.