Company overview
| Company Name | Umano Kagaku Youki Kabushiki Gaisya (Yamayu) |
| Established | 1st/Mar/1970 |
| CEO | Tomoko Umano |
| Main offic | 2-7-1 Sagisu Fukushimaku Osaka JAPAN Zip code : 553-0002 TEL +81-6-6453-1331 FAX +81-6-6456-4025 |
| Factory | 978 Kuchiono Izushicyou Toyooka Hyogo Japan Zip code: 668-0202 TEL +81-796-53-2020 FAX +81-796-53-2100 |