Nippon Wico specializes in connecting rods – an indispensable & major part for reciprocating engines and compressors.
Our products are original, dedicated connecting rod parts. We meet customer requirements for shape, quantity & accuracy based on our 80 years of experience.
We have highly satisfied customers throughout Japan, US & Europe.

Our Locations

Dublin, Ohio Office

Our factory in Japan

Our History

2016

Opened NIPPONWICO USA, INC. office in Dublin, Ohio.
2015

Built new corporate headquarters
2015

The Ministry of Economy, Trade and Industry selected “300 small and medium-sized businesses and small businesses”
2014

Registered NIPPONWICO USA, Inc.
2009

Updated certification registration to ISO 9001: 2008
2008

Osaka prefecture was selected as the “Osaka Monodzukuri company excellent prize”
2005

Eco Action 21 Certification Registration at the Toban Plant
2002

Launched wico.jp website
2002

Acquired ISO 9001: 2000 certification at headquarters and Toban plant
1984

Started exporting connecting rods for air conditioning refrigeration to the United States
1970

Established Tozo factory in Kami-cho, Hyogo prefecture (Kami-ku, Tonoi-gun, present Tono-gun, Japan)
1946

Company name changed to Japan Weco Co., Ltd.
Headquarters moved to current location · Osaka City Ikuno-ku
1937

Started manufacturing and selling aluminum alloy connecting rods
1928

Reorganized Japan WEAKOMAGNET CORPORATION & opened sales office in Osaka City
1926

Established Japan Waikomagunetokai in Kobe
and imported WICO type magnets from USA to sell them to the domestic market in Japan.