Zhejiang Changsheng Precision Technology Co., Ltd. specializes in oil-free sliding bearings, including self-lubricating rolled bearings, boundary lubricating bearings, and graphite inlaid copper bushes. With IATF16949 certification and RoHS compliance, our products deliver maintenance-free, lightweight, and environmentally friendly solutions for automotive, aerospace, CNC machinery, and more. Trusted by global clients in over 20 countries, we are committed to quality and innovation.