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

KOYO

Koyo

Jul. 7, 2022 (Thu)

A Product Demonstration Video
"Vol. 9 Polishing with POLIMALL SHEET for Plastic (Material: Plastic Case)"
Has Been Uploaded.

Jul. 7, 2022 (Thu)

A Product Demonstration Video
"Vol. 8 Polishing with POLIMALL SHEET for Platinum (Material: Platinum Ring)"
Has Been Uploaded.

Jul. 4, 2022 (Mon)

Aug.11,2022(Thu) ~ Aug.16,2022(Tue)
Our summer holiday

Jun. 1, 2022 (Wed)

A Product Demonstration Video
"Vol. 7 Video of Polishing Coated Surface (Piano part.)"
Has Been Uploaded.

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)

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.
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>> Details and back number

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New Products