Industry Overview - The rubber V-belt is a core transmission component widely used in key sectors of the national economy, including automotive, industrial machinery, and agricultural machinery [1][4] - In 2024, the market size of China's rubber V-belt industry is projected to reach 11.38 billion yuan, representing a year-on-year growth of 3.27% [1][4] Industry Development History - The rubber V-belt has evolved from traditional leather and cotton belts in the early 20th century to high-performance variants due to advancements in synthetic rubber and materials [4] - The industry has seen significant technological advancements, including the adoption of international standards and the use of new materials like carbon fiber and special synthetic rubber [4] Industry Supply Chain - The upstream supply chain includes raw materials such as rubber, polyester cords, and production equipment like calenders and vulcanizing machines [6] - The downstream applications primarily involve automotive, industrial machinery, and agricultural machinery sectors [6] Market Demand - The automotive sector is a major driver of demand for rubber V-belts, with a significant increase in vehicle production and sales in 2025 [8] - The growth in the automotive industry, particularly in new energy vehicles, is expected to provide stable market demand for rubber V-belts [1][4] Key Companies - Sanlisi (三力士) is a leading player in the rubber V-belt industry, leveraging intelligent production lines and nanomodification technology to maintain a competitive edge [9][10] - Sanwei (三维股份) focuses on both rubber conveyor belts and V-belts, expanding capacity through capital advantages [9][12] Industry Trends - The industry is transitioning towards technology-intensive manufacturing, integrating new materials and smart manufacturing processes [12][13] - Environmental sustainability is becoming a core focus, with the promotion of eco-friendly materials and production processes [13] - Market demand is driving global expansion, with Chinese rubber V-belt exports increasing due to competitive pricing and quality [14][15]