From engineering analysis and large-scale tooling to stable mass production support for automotive and industrial stamping projects.
Changdong maintains internationally recognized quality management systems to ensure consistent quality, process control, and reliable delivery across all metal stamping die projects.
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Changdong is a professional metal stamping die manufacturer providing complete tooling solutions with strong engineering and manufacturing capabilities. Our services cover feasibility evaluation, CAE analysis, full 3D die design, precision machining, die assembly, tryout, and production support. Certified to ISO 9001 and IATF 16949, and equipped with large-scale CNC machining centers, stamping presses up to 800 tons, and comprehensive inspection systems, Changdong supports automotive, industrial, and appliance projects with reliable quality control and stable delivery from concept to mass production.
Professional die engineering including feasibility evaluation, CAE simulation, and full 3D tooling design. We optimize die structure, material flow, and process stability at the early stage to ensure reliable performance and reduced development risk.
Equipped with large-scale CNC machining centers, EDM and WEDM machines, precision grinding and drilling equipment, Changdong supports high-precision machining of large and complex stamping dies up to 4 meters with strict dimensional and quality control.
Complete in-house die assembly, fitting, and tryout processes. Upper and lower dies are precisely matched, adjusted, and tested to verify functionality, accuracy, and production readiness before delivery.
Certified to ISO 9001 and IATF 16949, Changdong applies standardized inspection and quality control procedures throughout machining, assembly, and tryout to ensure consistent quality and stable delivery.
Changdong has supported projects for well-known automotive, appliance, and industrial brands through tooling development and metal stamping die manufacturing. With integrated in-house processes covering engineering analysis, precision machining, die assembly, tryout, and quality control, Changdong delivers reliable and consistent tooling solutions to meet a wide range of application requirements across different industries.
Our manufacturing process is designed to ensure transparency, quality control, and stable delivery at every stage of tooling development.
Beyond die delivery, Changdong provides continuous production support and technical assurance to ensure stable performance, smooth ramp-up, and long-term reliability throughout mass production. Our focus is not only on building the die, but on making sure it runs consistently and meets production requirements over time.
Trial Production Support：Technical support during trial production to verify die performance, forming quality, and cycle stability before mass production.
Continuous Die Optimization：Ongoing optimization and fine-tuning based on production feedback to improve stability, consistency, and tool life.
Maintenance & Spare Parts Support：Support for die maintenance, wear parts replacement, and technical troubleshooting to minimize downtime during production.
Long-Term Project Follow-Up：Long-term follow-up and technical communication for repeat programs, engineering changes, and continuous improvement.