When an automotive OEM evaluates a tooling supplier, the conversation rarely starts with price. It starts with capability. Can this partner hold tight tolerances across thousands of production cycles? Do they understand body-in-white, door systems, and chassis assemblies? Can they deliver not just the die, but the stamped part, the checking fixture, and the welding jig — all under one roof?

For over two decades, stamping die manufacturers like DIAN STAMPING have answered these questions with a track record that spans KIA, BYD, Toyota, Honda, Suzuki, and Geely. Based in Linhai, Zhejiang, China, DIAN STAMPING is not just a tooling shop — it is a fully integrated manufacturing partner serving OEMs and Tier 1 suppliers across more than 10 countries.

A Foundation Built on Scale and Experience

Established in 2003, LINHAI DIAN MOULD CO., LTD operates a modern facility spanning approximately 50,000 m², with a dedicated die workshop of 4,000 m². The company employs around 110 people, including 35 experienced die designers and technicians. This engineering depth allows DIAN STAMPING to handle complex die projects with confidence and precision.

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 delivers the scale and consistency that automotive programs demand. A planned 35,000 m² expansion featuring new press and coating lines will further strengthen this capability.

Comprehensive Automotive Stamping Dies Portfolio

DIAN STAMPING designs and manufactures a full spectrum of stamping tooling tailored to automotive applications. The die portfolio includes progressive dies for high-volume, multi-station production, transfer dies for complex deep-drawn parts, and tandem dies for large panel forming. These tools are deployed across critical vehicle systems including body-in-white, door systems, seating systems, instrument panels, fuel-tank systems, exhaust systems, clutch systems, and chassis systems.

Material capabilities are equally broad. The company processes multiphase steel (HSS and AHSS), aluminum alloys, custom rolled and welded plate, and stainless steel — enabling it to support modern lightweight vehicle architectures and evolving OEM material specifications.

More Than Tooling: A One-Stop Manufacturing Ecosystem

What sets DIAN STAMPING apart from traditional progressive die stamping suppliers is its end-to-end service model. Beyond die manufacturing, the company delivers stamped sheet metal parts, checking fixtures, welding jigs, welded assemblies, and even finished assembly components. This vertically integrated approach reduces supply chain complexity, shortens lead times, and ensures quality consistency from the first prototype to mass production.

The sheet metal parts division produces automotive stampings, custom metal parts, and welding assemblies for both automotive and household appliance industries. The checking fixture division provides GD&T-oriented inspection fixtures that verify dimensional accuracy of stamped parts and welded assemblies, supporting robust quality assurance on the production floor. The welding jig division delivers custom fixtures for accurate, repeatable welding and assembly operations.

Quality Systems and Automotive-Grade Standards

DIAN STAMPING operates under an ISO 9001 quality management system, with manufacturing practices aligned to IATF 16949 principles. The company is a factory-direct manufacturer — not a trading company — giving OEMs full visibility into production processes and quality controls.

Customization is available from 2D drawings, 3D data, or physical samples. Prototype services are offered to validate designs before full-scale production. Typical delivery lead times are 30–40 days for steel stamping dies and approximately 70 days for casting stamping dies, depending on project complexity and requirements.

Global Customer Base and Proven Track Record

DIAN STAMPING's customer roster includes some of the world's most recognizable automotive brands — KIA, BYD, Toyota, Honda, Suzuki, and Geely. With exports to more than 10 countries, the company has demonstrated its ability to meet global quality expectations, navigate international logistics, and support OEM programs across different regulatory environments.

The company positions itself as a factory-pricing partner that offers long-term supply relationships, competitive cost structures, and responsive engineering support. Free metal samples are available (with freight paid by the customer) to help prospective partners evaluate quality firsthand.

Why Partner with DIAN STAMPING?

In an industry where tooling quality directly impacts production uptime, part quality, and program profitability, choosing the right stamping partner is a strategic decision. DIAN STAMPING brings together:

• Two decades of automotive tooling experience since 2003
• 50,000 m² facility with ongoing capacity expansion
• 2,000+ sets of annual die manufacturing capacity
• In-house design, CNC machining, assembly, tryout, and inspection
• ISO 9001 certified with IATF 16949-oriented practices
• Full spectrum of progressive, transfer, and tandem dies
• One-stop service: dies, sheet metal parts, checking fixtures, welding jigs
• Proven partnerships with global OEMs including KIA, BYD, and Toyota
• Factory-direct pricing with no middlemen