SHUANGLIN.SHUANGLIN is a modern high-tech enterprise integrating R&D, design, production, sales, and service. Its core business encompasses intelligent control systems (including HDM, seat motors, automotive lead screws, humanoid robot lead screws, and joint modules), new energy powertrain systems (electric drive), hub bearings, and precision components (automotive interior/exterior parts, precision molds). Leveraging decades of expertise in the automotive components sector, SHUANGLIN has established production bases and sales networks across 20 cities worldwide, delivering premium products and services to renowned domestic and international automakers as well as the world's top 100 automotive parts suppliers. In recent years, the company has actively expanded into emerging fields such as humanoid robots, low-altitude economy, and new energy vehicles. It has successfully developed innovative products including high-precision gear worm gears, flat wire three-in-one motors, ball screw bearing units for automotive braking, and planetary roller screws for humanoid robots, leading the industry's technological advancement. Key products include: intelligent control systems (encompassing HDM, seat motors, automotive ball screws, humanoid robot ball screws, and joint modules); new energy powertrain systems (electric drive); hub bearings; and precision components (automotive interior/exterior trim parts, precision molds).