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What We Do

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.

Changzhou Haoersai Gearbox Co., Ltd

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Quality Control

Advanced Manufacturing Expertise
Advanced Manufacturing Expertise
Advanced Manufacturing Expertise

Continuously integrates innovative equipment and technologies to ensure precision-engineered, highly durable products.

Scientific Management Framework
Scientific Management Framework
Scientific Management Framework

End-to-end quality control system (R&D-Production-Testing) compliant with globally recognized certification standards.

Technology-Driven Innovation
Technology-Driven Innovation
Technology-Driven Innovation

Modern testing protocols and rigorous quality assurance enable high-reliability industrial transmission solutions.

Comprehensive Service Network
Comprehensive Service Network
Comprehensive Service Network

Full-coverage sales and after-sales support, upholding the "Quality First, Customer Foremost" commitment to ensure rapid response and long-term partnership value.