From business of reagents and chemicals,recycle used gas cylinders,
to setting up analysis equipment, we do our best to support you.

Head Office　ZIP: 562-0015 5-13-10 Ina,Mino City,Osaka,Japan　
　　　　　　　　 TEL: +8172-726-1151　FAX: +8172-726-1154　E-mail：oyk@yakken.co.jp
Tyokyo Office　ZIP: 273-0034 Futago Cho 565，Funabashi City，Chiba Profecture，Japan.