All-round polishing material manufacturer, Koyo-Sha Co., Ltd.

KOYO

Koyo

Mar. 2, 2022 (Wed)

A Product Demonstration Video
"Vol. 5 Polishing Copper alloy piece (Material : Brass)"
Has Been Uploaded.

Dec. 6, 2021 (Mon)

A Product Demonstration Video
"Vol. 4 Polishing Aluminum piece (Material : Aluminum alloy)"
Has Been Uploaded.

Dec. 3, 2021 (Fri)

Dec. 29, 2021 (Wed) ~ Jan. 4, 2022 (Tue)
Our winter holiday

Oct. 1, 2021 (Fri)

Chinese website is now available.
Select the language from the top pull-down menu.

Aug. 31, 2021 (Tue)

A Product Demonstration Video
"Vol. 3 Polishing with POLIMALL SHEET BLUE (Material: Silver Ring)"
Has Been Uploaded.

Jul. 26, 2021 (Mon)

A Product Demonstration Video
"Vol. 2 Polishing Spoon. (Material: Stainless Steel)"
Has Been Uploaded.

Jul. 13, 2021 (Tue)

Possible Delay in Delivery
Around Jul. 23, 2021(Mon) ~ Sep. 5, 2021(Sun)

Jul. 9, 2021 (Fri)

Aug.7,2021(Sat) ~ Aug.16,2021(Mon)
Our summer holiday

May. 6, 2021 (Thu)

A Product Demonstration Video
"Vol.1 Polishing Horseshoe. (Material: Aluminum Alloy Die Casting)"
Has Been Uploaded.

Jan. 8, 2021 (Fri)

New Products"ALOX 8"
Goes on Sale

Apr. 30, 2020 (Thu)

The catalog is now available for download.
Japanese English Chinese

>> Details and back number

Japanese English Chinese

New Products