Sango deepening exhaust system technology; fostering new battery and body businesses

August 03, 2026
Exclusive Interview

Sango Co., Ltd.

Director Mr. Tetsuya Watanabe

About This Interview

As regional differences emerge in the progress of vehicle electrification and demand forecasts for internal combustion engine components become uncertain, how can suppliers whose main products have been exhaust system components establish their next pillar while maintaining the profitability of their existing businesses? Sango Co., Ltd. (Sango) is simultaneously redefining its four core businesses, exhaust systems, battery-related products, body and chassis, and precision steel products, and expanding into areas outside the automotive sector.

In FY 2025, the company’s consolidated net sales (including customer-supplied materials) were JPY 640.6 billion, net income was the highest ever at JPY 18.8 billion, and the company is ranked second in Japan and sixth in the world among exhaust system suppliers.

At Sango’s ECO 35 facility (Atsuta Ward, Nagoya City), built on the site of the former head office plant, we spoke with Director Tetsuya Watanabe about "ECO-Sango” (Sango's commitment to the environment), the roadmap for its four business areas, production and development allocation, DX promotion and logistics improvements, and business diversification policies.

About This Interview
Q1
Sango has set a policy of focusing on four business areas: exhaust systems, batteries, body and chassis, and precision steel products. How do you envision the product and technology development for each of these businesses from 2030 to 2040?
Q2
What kind of product development and development organization do you envision for your battery-related business?
Q3
In the Vehicle Body and Chassis Products business, on which areas will you focus as pillars of growth?
Q4
The progress of electrification varies by region. How do you envision production allocation?
Q5
How do you envision your domestic and international production and development organizations, as well as your regional priorities, including recent investment projects?
Q6
How do you plan to localize your development and production organizations in the Chinese market?
Q7
What initiatives are you pursuing to promote DX (Digital Transformation) and improve logistics?
Q8
In addition to mobility, what is your strategy for diversifying your business into energy and infrastructure solutions, as well as areas other than automotive parts?
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