In the competitive world of automotive manufacturing, the quality of your tooling determines the quality of your production. When global automotive OEMs and Tier 1 suppliers search for reliable stamping die manufacturers, they look for partners who combine technical precision, production scale, and cost efficiency. DIAN STAMPING — operating under LINHAI DIAN MOULD CO., LTD — has been delivering exactly that for over two decades from its base in Zhejiang, China.

Two Decades of Automotive Tooling Excellence

Founded in 2003, DIAN STAMPING has grown from a modest die shop into a comprehensive manufacturing partner serving household names such as KIA, BYD, Toyota, Honda, Suzuki, and Geely. With more than 20 years of hands-on experience in the design and fabrication of automotive stamping dies, the company understands the exacting standards required by the automotive industry and has built its entire operation around meeting them.

Today, DIAN STAMPING exports its tooling and stamped parts to more than 10 countries across Asia, Europe, and the Americas, establishing itself as a trusted bridge between Chinese manufacturing capability and global automotive quality requirements.

A Manufacturing Facility Built for Scale and Precision

Scale matters in stamping die manufacturing. DIAN STAMPING's modern facility covers approximately 50,000 square meters, with a dedicated die workshop of 4,000 square meters. A planned 35,000-square-meter expansion will add new press lines and coating capabilities, further strengthening the company's capacity.

The company employs around 110 skilled professionals, including approximately 35 die designers and technicians who bring deep expertise in CAD, CAM, and simulation-based die engineering. With an annual die turnover of approximately RMB 50 million and a production capacity of about 2,000 sets of medium and small stamping dies per year, DIAN STAMPING is equipped to handle high-volume programs with confidence.

Comprehensive Die Technology Portfolio

DIAN STAMPING offers a full spectrum of stamping die technologies to meet diverse automotive forming requirements. The company specializes in progressive die stamping for high-speed, multi-station production of complex parts, transfer dies for large panel forming, and tandem and multi-station dies for medium-to-large components. This versatility allows the company to serve applications across body-in-white, door systems, seating systems, instrument panels, fuel-tank systems, exhaust systems, clutch systems, and chassis systems.

Material processing capabilities are equally broad. DIAN STAMPING works with multiphase steel, aluminum alloys, custom rolled and welded plate, and stainless steel, enabling the production of lightweight, high-strength components that meet modern automotive design requirements.

Beyond Dies: A One-Stop Manufacturing Partner

What sets DIAN STAMPING apart from many stamping die manufacturers is its ability to deliver a complete, integrated service package. Beyond die design and fabrication, the company provides:

• Stamped Sheet Metal Parts — High-volume production of automotive and household appliance stampings with consistent quality.
• Checking Fixtures — High-precision, GD&T-oriented inspection fixtures that ensure every stamped component meets dimensional specifications. A checking fixture is indispensable for production sites where traditional measurement tools cannot verify complex geometries efficiently.
• Welding Jigs and Assembly — Custom welding fixtures that enable accurate, repeatable welding and assembly operations, reducing cycle time and scrap rates.

This one-stop approach eliminates the coordination headaches of working with multiple suppliers, shortens time-to-market, and provides single-point accountability for quality.

Quality Management and Certifications

Whether working from 2D drawings, 3D CAD data, or physical samples, the company's engineering team collaborates closely with customers to optimize die design for manufacturability, durability, and cost. Prototype services are available for new program validation before full-scale production ramp-up.

Competitive Lead Times and Factory-Direct Pricing

As a factory-direct manufacturer — not a trading company — DIAN STAMPING offers genuine cost advantages without compromising quality. Typical lead times are 30 to 40 days for steel stamping dies and approximately 70 days for casting stamping dies, depending on project complexity. The company's deep in-house capabilities mean faster design iterations, shorter tryout cycles, and quicker time to production.

Why Global OEMs Keep Coming Back

In an industry where precision, reliability, and cost are non-negotiable, DIAN STAMPING has earned the trust of leading automotive brands through consistent delivery. The combination of a 50,000 m² facility, 20+ years of experience, a skilled team of 35 die designers, and a comprehensive one-stop service model makes it a manufacturing partner that can grow with your production needs.