High-Quality Gearboxes & Reducers | Industrial Transmission Solutions | Changzhou Haoersai

Changzhou Haoersai Reduction Machinery Co., Ltd. is a specialized enterprise focused on the R&D, manufacturing, and sales of reducers and related supporting equipment. Core products include X/B Series Cycloidal Pinwheel Reducers, Worm Gear Reducers, R.S.K.F. Series Gear Reducers, high-performance gearboxes, and comprehensive components and spare parts supply. The company leverages advanced production equipment and innovative manufacturing techniques to establish a scientific management system covering R&D, production, and quality assurance, ensuring products meet international high-quality standards. Driven by technology-driven expertise, we combine modern testing methods and stringent quality control to deliver high-precision, durable industrial transmission solutions.  we are committed to providing value-driven integrated power transmission systems through technical excellence and end-to-end service, empowering global industries with reliable, efficient solutions.