Mitsui Kinzoku ACT Corporation

Company Profile



Yokohama Mitsui Bldg. 29F, 1-1-2 Takashima, Nishi-ku, Yokohama-shi, Kanagawa 220-0011, Japan

Business Overview

-The Company develops, manufactures, and sells door locks and other functional parts for automobiles.


-Unlisted Company (As of Mar. 31, 2023)
Company name Investment ratio (%)
Mitsui Mining & Smelting Co., Ltd. 100.0


Door Latche
-Side door latches
-Check links
-Side door hinges
-Back door latches

Power Door System
-Slide door latches

  • Power slide door drive units
  • Slide door remote control units
  • Slide door rollers
  • Front latches
  • Rear latches
  • Auto steps
  • Full-open latches

-Power drive units & ECU

  • Power slide door drive units
  • Power back door drive units
  • Power trunk lid drive units
  • ECU

-Power Back Door System

  • Power back door drive units
  • Back door latches
  • ECU
  • Handle Switch


Other parts
-Seat back latches
-Hood latches
-Trunk latches


2010 Mitsui Kinzoku ACT Corporation is established as a spin-off from Mitsui Mining & Smelting Co., Ltd.
2011 Established Automotive Components Technology India Private Limited in India.
2012 Established Mitsui Kinzoku ACT (Shanghai) Management Co., Ltd. in China.
Established Mitsui Kinzoku ACT Mexicana, S.A. de C.V in Mexico.
2013 Established PT. Mitsui Kinzoku ACT Indonesia in Indonesia.
2018 Established Mitsui Kinzoku ACT Corp., Europe Branch Office, in France; and Mitsui Kinzoku ACT Tanger Maroc SARL, in Morocco.
2022 Established an innovation center in Toyota, Aichi Prefecture.

Supplemental Information 1