About Aupac


Our dream is swelled toward to be a true grobal enterprise.

The part used for a motor while interwined with Electrical, Machanical, Chemical elements intricately is called " Carbon Brush" as Key parts.

Aupac have been holding in high esteem Technological innovation capability which can be produced a new production has high Qualityand high reliability in the fields like Automotive, House hold electric appliance, Power tooling, Business mahinery, and Medical equipment etc.
And we've been contributing for development for a motor in the world.

What continuing forward to the true global enterpise has skill which can supply our serveise and productions to the world is our Dream and target.

President Kimio Sakai

Company Profile

Founded August 1st, 1958
Capital 45,000,000yen ($450,000)
No. of employee JAPAN (51) CHINA(370)
Business Development of materials for, designing, manufacturing and sales of carbon brushes.
Assembly of brushes and peripheral components.
Manufacturing of molds for brushes and precision leaf-spring brush assemblies.
Director Chairman
Executive Director
Yuzuru Yoshida
Kimio Sakai
Yoshisuke Imai
Shinya Ashimura
Manabu Iwata
■Dalian Aupac Co., Ltd.
Founded November 12th 1988
Company Form Jappan Aupac invest 100%
Capital US$2,775,000
Total Investment US$3,962,000
President Kimio Sakai
General manager Yoshisuke Imai

Quality Policy

We at Aupac value the synergy effect between “product creation” and “human resources development.” 
Our corporate policy is to strive to be “the world’s best in quality,” based on such emphasis.

Environment Policy

Aupac recognizes the protection of the global environment
to be one of the most important issues facing all of humanity, 
and is committed to environmental awareness in every facet of our corporate activities.


Head Office & Main Plant

1-3-6 Fukami-higashi, Yamato City, Kanagawa Pref.
Dalian Aupac Co., Ltd.

No.12,Harbin Road, Dalian Economic & Technical Development Zone, Liaoning Province, P.R.C.


Aug 1958 Takeshi Susa (founder) founded a privately owned company Nitto Carbon Works and started carbon production and sales in 1-32 Higashi-kamata, Ohta-ku, Tokyo.
Sep 1963 Constructed a carbon brush process plant in Yamato City. Developed automatic molding technology. Manufactured primarily silver and copper carbon brushes for miniature motors.
Jul 1973 New plant completed in Fukami Yamato City, Kanagawa Prefecture, which mainly manufactures using automatic compacting.
Feb 1987 Aupac Technical Center completed in Yamato City.
Nov 1988 Founded Dalian Aupac Co., Ltd. a subsidiary in Dalian, China. Invested US$3,060,000. (Leased standard plant.)
May 1993 Completed Shirakawa Plant in Shirakawa City, Fukushima.
Dec 1996 Developed and began sales of Japan’s first carbon commutator for fuel pumps.
Feb 1998 Developed high-electric-current-density-compatible material for cordless DC electric power tools.
Jun 1998 Developed GS-180, a brush for electric power tools with dynamic braking mechanisms.
Jan 1999 Developed HC-439, a brush material for vacuum cleaners.

Aug 1999

Gained ISO9001 certification.
Nov 2002 Gained ISO14001 certification.
Dec 2003 Head Office Plant and Technical Center integrated to strengthen business and technological coordination.
Sep 2007 Started sale of carbon brush for Wind turbine.
Apr 2011 Succeeded life long duration of carbon brush for vacuum cleaner 120V.
Dec 2014 Succeeded development for Tiny Carbon brush.

Other special features

Amoeba Management

Each departments calculate their own profit by them-self.
This is indipendent participation in company Management, and very meaningful system.

Propulsion of 5S activities.

"5S" means "Seiri = Sort" , "Seiton = Tidy" , "Seiso = Clearn", "Seiketsu = Neatless", "Shitsuke = discipline".
This is the activity that aims eliminate waste and improve labour effectiveness, quality of manufacturing.
The result of these activities, we can supply good quality items to valuable customers.
We carry out 5S contest between each department per three months.
Each department tackles business improvement and environmental manipulation.