- SHIN Information System Co., Ltd.
- HelloTommy,learning toy,English Learning Toy.
- Address:M-401 SK Techno-Park 190-1 Sangdaewon-Dong Jungwon-Gu
- SayPen Div. of navi-IT Corp.
- Language, Learning, Reader, Trainer, Saypen, English, Interactive, Textbook.
- Address:Hongje 1 Dong
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