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Sanko Spring Co., Ltd. has expanded its lineup of wire retractable spring units that can be used as power sources for self-closing sliding doors (semi-automatic doors) and elevator doors, and has officially started full-scale sales of a new type called "MSW-XS." The "MSW-XS" incorporates our uniquely developed [S-shaped spring], which has proven to be the most successful in the sliding door market among the various spring products we have cultivated over the years. It has been designed to reduce torque gradient for more efficient rotation and to minimize output loss. Additionally, based on our market research and the requests of customers familiar with the sliding door market, we focused on developing specifications that are [compact], [low-cost], and [resistant to grease leakage], while also offering an optional [output adjustment mechanism] with a unique design (patent pending). *For more details, please refer to the related materials or check our company website.*