Two South Korean automotive component manufacturers, Hwashin Automotive India and Seoyon E-Hwa Summit Automotive India, have proposed investments totalling Rs. 13.7 billion (US$ 146.31 million) in Tamil Nadu over the next five years to expand their manufacturing capabilities, upgrade technology and develop new business opportunities with Hyundai Motor India (HMIL) and other automakers.

The companies communicated their investment intentions to the Tamil Nadu government through separate letters dated November 11th, 2026, addressed to S Vijayakumar, Additional Chief Secretary for Industries, Investment Promotion and Commerce. The state government stated that the proposals outlined the companies' plans to expand their operations in Tamil Nadu. Letters of intent have been received, and memorandums of understanding are expected to be signed shortly.

The announcements follow recent media reports suggesting that three South Korean automotive component suppliers to Hyundai and Kia - Hwashin, Seoyon and Iwamet - had selected Andhra Pradesh for proposed investments totalling Rs. 16.14 billion. The reports had prompted questions from the opposition regarding Tamil Nadu's ability to retain its position as an automobile manufacturing hub. The proposed investments by Hwashin and Seoyon indicate that both companies also plan to expand their operations in Tamil Nadu.

Hwashin Automotive India, which manufactures chassis and body components and operates a facility at SIPCOT Industrial Park in Irungattukottai, has proposed an investment of approximately Rs. 8.5 billion over the next five years. The investment will support research and development, the adoption of advanced manufacturing technologies, localisation, capacity expansion and new project development.

Seoyon E-Hwa Summit Automotive India Private Limited has outlined an investment plan of Rs. 5.2 billion between 2027 and 2031. The proposed investment will focus on technological upgrades, the modernisation of manufacturing facilities and new business development. The company manufactures interior and exterior components, including bumpers, door trims, pillar trims and package tray parts, and operates a manufacturing facility in Oragadam. It supplies components to HMIL and other automakers.

S Keerthana, Tamil Nadu's Minister for Industries and Investment Promotion, said the proposed investments reflected the companies' assessment of the state's industrial ecosystem.

"Investors make their decisions based on the strength of an ecosystem, the quality of its institutions and the confidence they have in its future. The proposed investments of Rs. 13.7 billion by Hwashin and Seoyon are a strong reaffirmation of the trust that global manufacturers continue to place in Tamil Nadu," she said.

Keerthana added that the state government, under the leadership of Chief Minister C Joseph Vijay, was working to develop an industrial ecosystem that attracts new investments while enabling existing industries to expand, introduce new technologies and generate employment.

She also stated that Tamil Nadu welcomed competition between states, noting that it could contribute to India's manufacturing capabilities. The minister said the government would continue to focus on attracting manufacturing investments and supporting industrial expansion. She added that the announcements were relevant to criticism directed at institutions such as Guidance Tamil Nadu for political reasons.

Tamil Nadu's automotive industry comprises vehicle manufacturers and component suppliers across Chennai, Sriperumbudur, Hosur and Coimbatore. Competition between states is also extending beyond attracting new investors, with other states seeking to establish a presence in Chennai to engage companies that have traditionally considered Tamil Nadu for manufacturing expansion.

The proposed investments also come amid Hyundai Motor Group's plans to expand its manufacturing operations and supplier network in India.