Kawastone is a brand under JPR Resources Co., Ltd., headquartered in Higashimurayama, Tokyo, Japan. Since its establishment in 1963, JPR Resources Co., Ltd. has focused on producing various automotive parts, digital product components, tires, lubricants, and care products. The company has two factories located in Saitama and Okayama, and a sales office in Chuo, Osaka, with overseas branches in Gyeonggi-do, South Korea, Shanghai, Guangzhou, and Commonwealth countries. Over the past 60 years, JPR Resources Co., Ltd. has earned the high trust of consumers worldwide, and Kawastone's business spans approximately 90 countries. Kawastone is a vibrant and opportunity-rich ecosystem, supported by world-class brands. We empower every stage of the sales process through unique product offerings and innovative market strategies to enhance performance, capture market share, and achieve sustainable growth. In the ever-changing and diverse automotive industry, we are committed to developing new products, enhancing technical capabilities, increasing productivity, and optimizing strategic planning. By combining creative thinking with youthful energy, Kawastone collaborates with partners and end-users to cultivate synergies, create more business opportunities, expand markets, and achieve mutual growth.
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Motorcycle Chain
Motorcycle brake pads
Motorcycle tire
Motorcycle rearview mirror
Motorcycle spark plug
Motorcycle gloves
Motorcycle wiring harness
Motorcycle shock absorber
Motorcycle handlebars
Breakthrough in high-end race-level chain technology: Zhenghe Industry launches GP series racing chain systems
On the eve of the China International Motorcycle Expo (China Motorcycle Expo) in September 2025, Qingdao Zhenghe Industry Co., Ltd. announced the launch of the GP series racing chain system specially designed for the demanding MXGP tracks. This product was jointly developed by Zhenghe and the Honda HRC team. Its core advantages include:Market dynamics: Export growth and industrial chain upgrading drive industry expansion
Export data is impressive In January 2025, China's motorcycle exports reached 1.0404 million units, representing a year-on-year growth of 13.56%. The export value was 659 million US dollars, increasing by 11.13% year-on-year. Exports of large-displacement motorcycles (250cc and above) soared by 25.23% year-on-year, with the 200 series (150mL< displacement ≤200ml) growing by 70%, indicating an enhanced competitiveness in the high-end market. 2025-07-09 MORE
Yokohama has risen to become Japan's second-largest tire manufacturer, but its profits are under pressure
In the first quarter of 2025, Yokohama achieved sales of 275.1 billion yen (approximately 13.7 billion yuan), a year-on-year increase of 9%, surpassing Sumitomo Rubber for the first time and becoming Japan's second-largest tire manufacturer through the acquisition of Trepo Wheel Systems and Goodyear's specialty tire business. 2025-05-03 MORE