About Us

Message from the President

Thank you very much for visiting our website.

Since 1961, we have been a part of this industry with our experience and expertise for over half a century as a specialist of metal polishing of stainless steel and aluminium etc. This is solely because there were support and love from our customers and end-users, and we are grateful for that.
We will continue to strive for how we can give satisfaction to our customers, and we will work as a united team to improve our quality and polishing techniques that adapts to the current needs.

CEO Horiyama Tatsunori

About Us
September 1967
10 million JPY
【Headquarter】 334-0074, 29, 15th, Edo 1-chome, Kawaguchi City, Saitama Prefecture.

【Kawaguchi Factory No.1】29, 15th, Edo 1-chome, Kawaguchi City, Saitama Prefecture.

【Kawaguchi Factory No.2】14, 10th, Edo 1-chome, Kawaguchi City, Saitama Prefecture.

【Kawaguchi Factory No.3】16, 13th, Edo 3-chome, Kawaguchi City, Saitama Prefecture.

【Kawaguchi Workshop】17, 13th, Edo 3-chome, Kawaguchi City, Saitama Prefecture.
Official Director
Horiyama Tatsunori
Hidekuni Horiyama
Hiroaki Mizukoshi
Number of Staffs
27 (24 Males, 3 Females)
Banking Relationship
Saitama Resona Bank
The Shoko Chukin Bank
Sumitomo Mitsui Banking Corporation
Mizuho Bank
Kawaguchi Branch
Saitama Branch
Shimura Branch
Itabashi Branch

Office and the first workshop

The second workshop

The third workshop

The fourth workshop

September 1972
Founded in Izumi town, Itabashi-ku by Kin Hirai.
March 1967
Changed to Shinko Stainless Steel Polishing Limited
Capital 1 million JPY.
Kin Hirai became the CEO.
November 1975
Moved from Izumi town, Itabashi-ku as Kawaguchi factory was built.
Equipments were enhanced, and operation started.
May 1984
Capital increased to 5 million JPY.
August 1984
Completion of the second Kawaguchi factory. Equipments readied.
Expansion into the new field of mirror surface polishing.
September 1984
Akira Horiyama becomes the President.
March 1985
World’s first fully automatic #400 feather cloth polishing machine in operation.
October 1992
Changed into a corporation.
Capital increased to 10 million JPY
June 1994
Announcing antique hair as the first original polishing.
May 1996
Announcing the the second original polishing, Tornado, and the third, Eyebie.
October 2000
Started operating the art-pattern polishing machine at Kawaguchi Factory No.3
October 2005
Started operating the Large size thick stainless steel sheet polishing machine and Large pipe diameter bar polishing machine at Kawaguchi Factory No.4
April 2014
Tatsuki Horiyama becomes the CEO