In the fast-paced world of automotive manufacturing, the quality of your tooling directly determines the quality of your production. Whether you are launching a new vehicle program or scaling up existing production lines, finding a reliable partner for automotive stamping dies is critical to achieving cost efficiency, dimensional accuracy, and on-time delivery. Dian Stamping (LINHAI DIAN MOULD CO., LTD), based in Zhejiang, China, has been serving global automotive OEMs and Tier 1 suppliers since 2003 — and the company's vertically integrated model offers distinct advantages that set it apart in the competitive stamping landscape.

A Factory Built for Scale and Precision

Dian Stamping operates from a modern facility spanning approximately 50,000 m², with a dedicated die workshop of 4,000 m². The company is staffed by around 110 skilled professionals, including approximately 35 die designers and technicians. With an annual production capacity of roughly 2,000 sets of medium and small stamping dies and an annual die turnover of approximately RMB 50 million, Dian Stamping is equipped to handle programs of any scale. A new 35,000 m² facility featuring advanced press lines and coating capabilities is also in development, further expanding the company's manufacturing footprint.

• Established2003 · 20+ years of industry experience
• Facility50,000 m² plant + 4,000 m² die workshop
• Team110 employees, 35 die designers & technicians
• Capacity~2,000 sets of dies per year
• Die Turnover~RMB 50 million annually
• New Facility35,000 m² with advanced press & coating lines

End-to-End Capabilities Under One Roof

Unlike many suppliers that specialize in only one link of the manufacturing chain, Dian Stamping offers a comprehensive one-stop solution. The company's core expertise spans the full spectrum of progressive die stamping, transfer die stamping, and tandem/multi-station die manufacturing. Beyond tooling, Dian Stamping also produces stamped sheet metal parts, checking fixtures, welding jigs, welded assemblies, and finished assembly components — all from a single, integrated factory.

This vertical integration means fewer handoffs, shorter lead times, and tighter quality control across the entire production lifecycle. Customers can submit 2D drawings, 3D data, or physical samples and receive fully engineered tooling and production-ready parts without the complexity of managing multiple vendors.

Proven Track Record with Global OEMs

Trust is earned through results. Dian Stamping has built long-term partnerships with major automotive brands including KIA, BYD, Toyota, Honda, Suzuki, and Geely. The company exports its tooling and components to more than 10 countries, serving customers across Asia, Europe, and the Americas.

The company's stamping dies and stamped parts are used across a wide range of vehicle applications, including body-in-white (BIW), door systems, seating systems, instrument panels, fuel-tank systems, exhaust systems, clutch systems, and chassis systems. This breadth of application experience gives Dian Stamping a deep understanding of the diverse engineering requirements that different vehicle subsystems demand.

Material Versatility and Advanced Processing

Modern automotive manufacturing increasingly relies on advanced materials for weight reduction and performance. Dian Stamping has developed expertise in processing a wide range of materials, including multiphase steel (AHSS), aluminum alloys, custom rolled and welded plate, and stainless steel. This material versatility allows the company to support both traditional internal combustion engine platforms and the latest electric vehicle (EV) programs.

Quality Assurance Backed by Standards

Quality is embedded in every stage of the manufacturing process. Dian Stamping operates under an ISO 9001 quality management system and follows IATF 16949-oriented automotive manufacturing practices. The company's inspection capabilities include in-line dimensional checks, CMM (coordinate measuring machine) verification, and the use of dedicated checking fixture systems to validate part geometry against GD&T requirements.

For every stamping die delivered, a matching checking fixture can be supplied to streamline quality control on the production floor. This combined approach — die plus checking fixture — eliminates measurement variability and ensures that every stamped part meets the specified tolerances, program after program.

Competitive Lead Times and Factory-Direct Pricing

As a factory-direct manufacturer — not a trading company — Dian Stamping offers competitive pricing without compromising on quality. Typical delivery lead times are 30–40 days for steel stamping dies and approximately 70 days for casting stamping dies, depending on project complexity. The company also offers prototype services and free metal samples (with freight paid by the customer) to validate designs before full-scale production.

Beyond Dies: A Full-Service Manufacturing Partner

What truly distinguishes Dian Stamping is the breadth of its service offering. In addition to precision stamping dies, the company provides:

• Sheet Metal Parts — Automotive and household appliance stamping, custom metal parts, welding assemblies, laser cutting, and powder coating.
• Checking Fixtures — High-precision, GD&T-oriented inspection fixtures designed to work in tandem with stamping dies for fast, reliable part validation.
• Welding Jigs — Custom welding fixtures for accurate, repeatable positioning during welding and assembly operations.
• Welding and Assembly — Full welding and assembly services to deliver finished, ready-to-install components.