home Company Profile Product introduction Sand Q & A Inquiries Kawaguchi gravel Co., Ltd. 1-4-5 Abukuma, Iwanuma City, Miyagi Prefecture 989-2435 TEL 0223-22-2330 FAX 0223-22-2380 home Company Profile Product introduction Sand Q & A Inquiries privacy policy © 2018 KAWAGUCHI-JYARI All rights reserved.