The first technical assessment took place in November 2025 and involved representatives from Cummins’ Shanghai headquarters, Xi’an Cummins, Foton Cummins and ASIMCO. Together, the two assessments mark Qingshen Tianxiang’s formal qualification within the Cummins supply chain. The company has become Cummins’ first approved supplier qualified to provide camshaft blanks manufactured using the cross-wedge rolling process—a major breakthrough in its expansion into the high-end engine components market.

Supplier Qualification Audit Meeting

A Comprehensive Review of Manufacturing Capabilities

The latest audit was conducted by a four-member team from Dongfeng Cummins and ASIMCO. It covered the entire manufacturing process, with particular emphasis on product quality consistency, process compliance and the company’s capacity to support volume production.

Cross-wedge rolling is an advanced metal-forming process used to manufacture critical automotive engine components. It offers significant advantages in material utilization, production efficiency and product consistency, while requiring a high degree of manufacturing precision and strict process control.

Cummins, a global leader in power solutions, maintains stringent standards for supplier qualification. Passing this specialized audit therefore represents a comprehensive validation of Qingshen Tianxiang’s engineering expertise, manufacturing capabilities and quality management system.

On-Site Audit of the Cross-Wedge Rolling Process

Inspection of Rough Machining Operations

Extensive Preparation and Process Optimization

To meet the audit requirements, Qingshen Tianxiang established a dedicated cross-functional team comprising specialists from engineering, production, quality assurance and operational support. Responsibilities were clearly assigned, and each requirement was managed through a closed-loop implementation and verification process.

The engineering team carried out multiple rounds of technical development and process trials, optimizing key parameters such as rolling temperature, rolling speed and tooling design. These efforts resulted in a stable and standardized production process capable of meeting Dongfeng Cummins’ requirements for high-end engine components.

The production team reviewed and optimized shop-floor workflows, strengthened operating procedures, and improved process traceability. At the same time, the quality team established a comprehensive inspection system covering every stage—from incoming raw materials to finished-product release—and introduced dedicated quality-control measures for the program.

Close coordination across departments provided a solid foundation for the successful completion of the audit.

A Strategic Step into the High-End Engine Components Market

The qualification reflects Dongfeng Cummins’ recognition of Qingshen Tianxiang’s technical expertise, product quality and overall service capabilities. It also carries significant commercial and strategic value for the company.

By entering Cummins’ high-standard engine component supply chain, Qingshen Tianxiang has further strengthened its position in the premium automotive components market. The cooperation is expected to support future capacity growth, improve operational performance and enhance the company’s industry profile.

Equally important, working within the quality framework of a global power solutions leader will drive further improvements in manufacturing processes, quality management and international-standard production capabilities. This will provide a strong foundation for developing additional high-end powertrain components and serving more leading customers worldwide.

Preparing for Volume Production

Following the successful qualification, Qingshen Tianxiang will move forward with preparations for volume production in accordance with Cummins’ manufacturing and quality requirements. The company will continue to refine its cross-wedge rolling process, maintain consistent product quality and ensure reliable, on-time delivery.

Qingshen Tianxiang will also deepen its investment in core technology research and development, strengthen its long-term competitiveness and leverage its experience in high-end supply programs to pursue further opportunities in domestic and international markets.