In the competitive world of automotive manufacturing, the quality of your stamping tooling directly determines the precision, consistency, and cost-efficiency of your production line. Whether you are sourcing automotive stamping dies for body-in-white components, seating systems, or chassis parts, choosing the right manufacturing partner is one of the most critical decisions an OEM or Tier-1 supplier can make. DIAN STAMPING, operating under LINHAI DIAN MOULD CO., LTD, has been serving the global automotive industry for over two decades, and its track record speaks for itself.

Over Two Decades of Stamping Excellence

Founded in 2003 in Huangyan, Taizhou, Zhejiang Province — a region renowned for its mould-making heritage — DIAN STAMPING has grown from a specialized tooling workshop into a full-scale manufacturing facility covering approximately 50,000 m². The company's 4,000 m² die workshop houses a skilled team of around 110 employees, including approximately 35 experienced die designers and technicians. This depth of in-house engineering talent means that every project benefits from hands-on technical expertise, from initial die design through tryout and production.

With an annual die turnover of approximately RMB 50 million and the capacity to produce about 2,000 sets of medium and small stamping dies per year, DIAN STAMPING operates at a scale that supports both high-volume production runs and complex custom tooling projects. A planned 35,000 m² facility expansion, featuring new press and coating lines, will further strengthen its manufacturing capabilities.

Comprehensive Die Manufacturing Capabilities

DIAN STAMPING specializes in a full spectrum of stamping die technologies, including progressive die stamping, transfer dies, and tandem or multi-station dies. These capabilities allow the company to produce tooling for a wide range of part geometries — from simple brackets to complex structural reinforcements. The company's die design and manufacturing process supports multiple material types, including multiphase steel (HSS/AHSS), aluminum alloys, custom rolled and welded plate, and stainless steel, ensuring compatibility with the latest lightweight vehicle platforms.

Key application areas include:

• Body-in-white panels and structural reinforcements
• Door systems (hinge reinforcements, inner and outer panels, guides)
• Seating systems (basins, beams, B-pillar components, floor panels)
• Instrument panel and cross-car beams
• Fuel-tank, exhaust, and chassis system components
• Battery cases and EV-related structural parts

Beyond Dies: Sheet Metal Parts, Checking Fixtures, and Welding Jigs

DIAN STAMPING's value proposition extends far beyond die manufacturing. The company is a vertically integrated supplier that also produces stamped sheet metal parts, precision inspection tooling, and welding fixtures. This integration eliminates the common coordination headaches that arise when die makers, stampers, and fixture suppliers operate independently.

The sheet metal parts division handles everything from prototype runs to high-volume production, serving both the automotive industry and the household appliance sector. Parts include brackets, panels, hinges, handles, heat shields, and complex structural components. Material options range from cold-rolled steel and galvanized steel to stainless steel and aluminum, with secondary operations such as laser cutting, bending, welding, and powder coating available in-house.

In quality assurance, DIAN STAMPING designs and builds high-precision checking fixture systems that enable fast, repeatable inspection of stamped parts and welded assemblies. These GD&T-oriented fixtures help eliminate measurement variability and ensure that every part meets OEM specifications before it reaches the assembly line.

The company's welding jig division provides custom fixtures for robotic and manual welding applications, supporting accurate, repeatable positioning for chassis frames, exhaust systems, door assemblies, and more.

Global OEM Trust and Quality Certifications

DIAN STAMPING's customer roster includes some of the world's most recognizable automotive brands: KIA, BYD, Toyota, Honda, Suzuki, and Geely. The company's quality management system is ISO 9001 certified, and its manufacturing and quality practices are aligned with IATF 16949 standards. This certification framework ensures that every die, part, and fixture is produced under rigorous process controls, with regular inspections throughout the manufacturing cycle.

As a factory-direct manufacturer — not a trading company — DIAN STAMPING offers competitive pricing without sacrificing quality. Customers can submit 2D drawings, 3D CAD data, or physical samples for a customized quotation, and prototype services are available for new program validation. Typical delivery timelines are 30–40 days for steel stamping dies and approximately 70 days for casting stamping dies, though these are adjusted based on project complexity and customer requirements.

Why Partner with DIAN STAMPING?

The global automotive supply chain is under constant pressure to reduce costs, shorten lead times, and improve quality. DIAN STAMPING addresses all three imperatives through its vertically integrated model:

• One-stop accountability — Die design, die manufacturing, stamping production, fixture design, and quality inspection are all managed under one roof, reducing communication gaps and supply chain risk.
• Engineering depth — With 35 in-house die designers and technicians, the company can handle complex tooling challenges that require close collaboration between design and production teams.
• Factory-direct pricing — Eliminating middlemen means competitive rates for high-quality tooling and stamped parts, a critical advantage for cost-conscious automotive programs.
• Proven export experience — With exports to more than 10 countries, DIAN STAMPING understands the documentation, packaging, and quality standards required for international automotive supply.
• Continuous capacity expansion — The new 35,000 m² facility with advanced press and coating lines will further enhance the company's ability to serve growing demand.