双林股份：公司已经成功开发出了人形机器人行星滚柱丝杠、灵巧手应用的滚珠丝杠等产品，并向数家客户送样

Core Viewpoint - The company has successfully developed products applicable to humanoid robots, including planetary roller screws and joint modules, and has sent samples to several clients [2] Group 1 - The company has developed planetary roller screws and ball screws for humanoid robots [2] - Samples of these products have been sent to multiple clients, indicating potential market interest [2] - As of now, the products have not yet received formal designation, and the company advises investors to be cautious [2]