| Japanese Piano Maker |
| http://www.yamaha.co.jp/english/ | YAMAHA's Homepage (English) |
| http://www.kawai.co.jp/english/ | KAWAI's Homepage (English) |
| Japanese Piano Exporter |
| SECOND HAND PIANO | Victory Enterprise (English) |
| USED PIANOS | Sanko Industries CO., LTD. (English) |
