Gelonghui reported on November 15 that Zhejiang Changsheng sliding bearings (300718.SZ) stated on the investor interaction platform on November 15 that the company's main business revolves around the R&D, production, and sales of self-lubricating bearings and high-performance polymers. The company's research direction in the siasun robot&automation field mainly focuses on self-lubricating bearings applied at joints and screw products in certain linear actuators. Currently, the company has not engaged in technical research related to the complete outer casing of robots.