This is not the official web site of
Hashimotoya
Musashino Mugen Beer Brewery Pub
Not open to the public (as far as I know)
309-3, Kuroda
Fukaya-shi 369-1244
Telephone: +81 (0) 485 84-2053
[Update]

Notes

Opened: 1996

Updated: February 9, 2008