In the fast-paced world of automotive manufacturing, the quality of your tooling determines the quality of your production. From body-in-white panels to seating systems and chassis components, every stamped part begins with a precision-engineered die. As global automakers push for tighter tolerances, shorter lead times, and cost efficiency, finding the right partner for automotive stamping dies has never been more critical.
A Legacy of Precision Since 2003
Established in 2003 in Huangyan, Taizhou, Zhejiang Province, LINHAI DIAN MOULD CO., LTD — operating as Dian Stamping Company — has spent over two decades perfecting the art of die manufacturing. With a modern facility spanning approximately 50,000 m², including a dedicated die workshop of 4,000 m², DIAN has built the infrastructure to handle projects of any scale. The company's team of around 110 skilled professionals, including roughly 35 die designers and technicians, works collaboratively to deliver tooling that meets the exacting standards of global OEMs.
Comprehensive Tooling Capabilities
As one of the leading stamping die manufacturers in China, DIAN offers a full spectrum of tooling solutions designed to cover every stage of the metal forming process:
- Progressive Dies — Ideal for high-volume production of complex parts with multiple operations in a single press stroke.
- Transfer Dies — Designed for large and medium-sized parts requiring inter-station part transfer.
- Tandem / Multi-Station Dies — Cost-effective solutions for medium-volume production runs.
- Compound Dies — For parts requiring multiple cutting and forming operations in a single station.
DIAN's annual production capacity reaches approximately 2,000 sets of medium and small stamping dies, with a reported annual die turnover of approximately RMB 50 million. This scale ensures that even large-scale programs can be managed with confidence and consistency.
Beyond Dies: A One-Stop Manufacturing Partner
What sets DIAN apart is its ability to serve as a true end-to-end manufacturing partner. In addition to precision tooling, the company delivers high-quality sheet metal parts for automotive and household appliance applications, as well as precision checking fixtures and custom welding jigs. This integrated approach means customers can source tooling, production parts, and inspection fixtures from a single supplier — reducing coordination complexity, accelerating time-to-market, and ensuring consistent quality across the entire supply chain.
Quality Assurance and Industry Certifications
DIAN operates under a quality management system certified to ISO 9001, with manufacturing practices aligned to IATF 16949-oriented automotive standards. Every die and part undergoes rigorous inspection, including in-line quality checks, CMM measurement, and functional tryout validation. The company's commitment to quality is reflected in its long-term partnerships with global automotive brands including KIA, BYD, Toyota, Honda, Suzuki, and Geely.
Material Versatility and Advanced Processing
Modern automotive manufacturing demands versatility in material processing. DIAN's facility is equipped to handle a wide range of materials, including multiphase high-strength steel (HSS), aluminum alloys, custom rolled and welded plate, and stainless steel. The company's planned 35,000 m² expansion facility will feature new press lines and coating lines, further enhancing its ability to process advanced materials with precision and efficiency.
Precision Inspection with Checking Fixtures
A press die is only as good as the inspection system that validates it. DIAN designs and manufactures precision checking fixture solutions that enable rapid, repeatable dimensional verification of stamped components. These GD&T-oriented fixtures eliminate individual measurement variability and ensure that every part meets the specified tolerances before it moves to the next stage of assembly. As the company emphasizes, press dies and checking fixtures are necessary as a set — and DIAN delivers both.
Customization and Prototyping Services
DIAN understands that every automotive program is unique. The company offers full customization services, accepting 2D drawings, 3D data, or physical samples as input for die design and production. Prototype services are available for new vehicle programs, allowing engineers to validate designs before committing to full-scale production tooling. Typical delivery timelines are 30–40 days for steel stamping dies and approximately 70 days for casting stamping dies, subject to project complexity.
Global Reach, Factory Pricing
As a factory-direct manufacturer — not a trading company — DIAN offers competitive pricing without sacrificing quality. The company exports to more than 10 countries and serves OEMs and Tier 1 suppliers across Asia, Europe, and the Americas. Free metal samples are available upon request (freight paid by the customer), giving potential partners the opportunity to evaluate quality firsthand before committing to large-scale orders.
Ready to Partner with a World-Class Tooling Manufacturer?
Whether you need precision progressive dies for a new vehicle platform, custom sheet metal parts for an existing production line, or a complete tooling package including checking fixtures and welding jigs, DIAN Stamping has the engineering expertise, manufacturing capacity, and quality systems to deliver. Contact the team today at rita@xuhuimould.com or call +86 13325865358 to discuss your next project.