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Toyoda Gosei to Dissolve Chinese Weatherstrip Subsidiary

Toyoda Gosei has decided to dissolve Toyoda Gosei Star Light (Tianjin) Automotive Parts, its wholly owned subsidiary in China engaged in the manufacture and sale of automotive weatherstrip products, as part of efforts to reform the profit structure of its Chinese operations. Production will end in December 2025, with liquidation to be completed by December 2026. Amid dramatic changes in...

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Sumitomo Rubber and Tohoku University Visualize Strain-Induced Crystallization Distribution in Rubber

Sumitomo Rubber, in collaboration with professors at Tohoku University’s Institute of Multidisciplinary Research for Advanced Materials, has succeeded in visualizing the nanometer-scale distribution of strain-induced crystallization inside polyisoprene rubber, a synthetic polymer with the same chemical structure as natural rubber. In general, when rubber is subjected to large deformations, the polyisoprene molecular chains are stretched, causing strain-induced crystallization, which is...

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Toyoda Gosei Invests in Startup KG Motors

Toyoda Gosei has invested in KG Motors, a startup developing and manufacturing compact battery electric vehicles (BEVs) for single-passenger use. KG Motors aims to promote economical and environmentally friendly mobility suited to short-distance travel in regions where maintaining public transportation has become difficult due to depopulation. Centering on its proprietary monocoque body technology — a lightweight, high-rigidity vehicle structure integrating...

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Rubber Rolls Report: Steelmaking Rolls Recover Amid Overall Output Slump

Roll production continues to decline. Printing rolls, which account for 30% of the total, remain in a slump due to the shift to paperless media, and film rolls — which had been driving growth until mid-last year — are also stagnating. According to data compiled by the Japan Rubber Manufacturers Association (Statistics Committee, including seven roll-product companies), total production from...

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Japanese Workers Union Confederation Holds 2025 Convention

The Japanese Rubber Workers Union Confederation (Gomu Rengo) held its 21st Regular Convention for 2025 on September 4–5 at Hotel Associa Toyohashi in Toyohashi, Aichi Prefecture. The convention was conducted in a hybrid format, with some delegates attending online. The agenda, including the union’s operational policy and the financial budget proposal, was reviewed and approved as originally proposed. The convention...

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Yokohama Rubber Holds Test Drive for New Studless Passenger Car Tire

Yokohama Rubber launched on September 1 its new studless passenger car tire, the iceGuard 8, the eighth generation of its Yokohama studless tire lineup and the first to incorporate its new winter tire technology concept Fuyu Tech. To showcase the product, the company held a test drive event on February 10–11 at its Tire Test Center of Hokkaido (TTCH) in...

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