日本グレーン研究所 Company Profile

We will create your original whetstone.

Nihon Grain Research Institute Co., Ltd. is a Japanese grinding wheel manufacturer established in 1982. We produce vitrified bond and resin bond grinding wheels for general grinding, as well as vitrified bond and resin bond wheels for DIA and CBN. Our customers come from the automotive industry, mold industry, electronic components industry, and cutting tools industry. Manufacturing is done on a made-to-order basis. Technically, we strive daily to fine-tune our products to meet our customers' needs and provide the optimal grinding wheels.