In the competitive world of automotive manufacturing, the quality of your tooling directly determines the quality of your production. When OEMs and Tier 1 suppliers search for automotive stamping dies, they need more than a supplier — they need a manufacturing partner with proven engineering depth, modern facilities, and a track record of serving global brands. DIAN STAMPING, operating under LINHAI DIAN MOULD CO., LTD, has been delivering exactly that since 2003.

Based in Huangyan, Taizhou, Zhejiang Province — one of China's most established manufacturing regions — DIAN STAMPING has grown from a specialized die workshop into a comprehensive one-stop manufacturing partner. The company's 50,000 m² facility houses a dedicated 4,000 m² die workshop, staffed by approximately 110 employees, including 35 experienced die designers and technicians. This scale allows the company to produce around 2,000 sets of medium and small stamping dies annually, with an annual die turnover of approximately RMB 50 million.

A Full Spectrum of Tooling Capabilities

What sets DIAN STAMPING apart among stamping die manufacturers is the breadth of its in-house capabilities. Rather than specializing in only one type of tooling, the company offers a complete ecosystem of services that covers the entire manufacturing lifecycle:

This integrated approach means that customers can source their tooling, production parts, and inspection equipment from a single qualified supplier, reducing coordination complexity and accelerating time to market. The company's die types include progressive dies for high-volume production, transfer dies for large and complex parts, and tandem dies for multi-step forming operations. Material capabilities span multiphase steel, aluminum, custom rolled and welded plate, and stainless steel.

Application areas are equally broad, covering body-in-white, door systems, seating systems, instrument panels, fuel-tank systems, exhaust systems, clutch systems, and chassis systems. Whether the requirement is a rear outer panel, a B-pillar assembly, a battery case, or a heat shield, DIAN STAMPING's engineering team has the experience to deliver precision tooling that meets OEM specifications.

Quality Assurance Built Into Every Step

In automotive manufacturing, quality is not negotiable. DIAN STAMPING operates under an ISO 9001 quality management system, with practices aligned to IATF 16949 automotive standards. Every die and stamped part goes through rigorous inspection, supported by the company's in-house checking fixture capabilities. A checking fixture is an essential companion to every stamping die — it confirms whether manufactured workpieces are produced to the specified dimensions, allowing high-volume inspection of complex geometries that would be impractical to measure with traditional tools. DIAN STAMPING designs and builds these fixtures alongside its dies, ensuring that every production run can be verified quickly and accurately.

The company's quality approach extends beyond inspection. With a planned 35,000 m² expansion featuring new press lines and coating capabilities, the company continues to invest in the infrastructure needed to meet the evolving quality and volume requirements of global automotive customers.

Customization and Flexibility: From Prototype to Production

DIAN STAMPING positions itself as a direct factory, not a trading company — a distinction that matters for cost, communication, and lead times. Customers can submit requirements in the form of 2D drawings, 3D data, or even physical samples, and the engineering team will develop the tooling solution from there. Prototype services are available for new product development, and free metal samples can be provided (with freight paid by the customer).

Typical delivery 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 engineering team, using industry-standard CAD software, works closely with clients to optimize die design for manufacturability, cost efficiency, and long tool life.

Why Global OEMs Choose DIAN STAMPING

Several factors make DIAN STAMPING a preferred partner for progressive die stamping and other automotive tooling needs:

• 20+ Years of Industry Experience — Established in 2003, the company has deep expertise in serving automotive OEMs and Tier suppliers.
• Proven OEM Customer Base — Dies and parts supplied to KIA, BYD, Toyota, Honda, Suzuki, and Geely, among others.
• One-Stop Manufacturing — Tooling, stamping, welding, assembly, inspection fixtures, and welding jigs under one roof.
• Factory-Direct Pricing — No middlemen, competitive pricing backed by efficient manufacturing operations.
• Global Export Reach — Products shipped to more than 10 countries worldwide.
• Continuous Investment — New 35,000 m² facility expansion with advanced press and coating lines underway.

The DIAN STAMPING Difference: Engineering Depth Meets Manufacturing Scale

In an industry where the difference between a good die and a great die can mean millions of dollars in production efficiency, choosing the right partner matters. DIAN STAMPING combines the engineering depth of a specialized die shop with the manufacturing scale of a modern production facility. The company's 35 die designers and technicians work alongside production teams to ensure that every tool is designed for performance, durability, and maintainability.

The company's commitment to continuous improvement is evident in its planned expansion. A new 35,000 m² facility, featuring state-of-the-art press lines and coating systems, will further enhance DIAN STAMPING's capacity to serve the growing demands of the global automotive industry. This investment reflects the company's long-term vision: to be more than just a supplier, but a strategic partner in its customers' manufacturing success.