Kameyama Iron Works.
KANAWATSUGI stainlessversion

Koyo Denki Co., Ltd.
Motorcycle frame tank 1/2 size

SATO Sheet Metal Manufactuｒing Co., Ltd.
Ink tank

Sinsyo Kikou Co., Ltd.
Twist rail

Ｆujitoku Co., Ltd.
Shishiodoshi (water-filled bamboo tube)

Miwa Industries Ltd.
5 Layer Mountain