In the fast-paced world of automotive manufacturing, the quality of every stamped component directly impacts vehicle safety, performance, and production efficiency. From body-in-white structures to seating systems and exhaust assemblies, precision tooling and reliable sheet metal parts are the backbone of modern vehicle production. Choosing the right manufacturing partner — one that combines technical expertise, scalable capacity, and cost-effective pricing — is essential for OEMs and Tier suppliers looking to stay competitive.

LINHAI DIAN MOULD CO., LTD (Dian Stamping Company), operating from its modern facility in Taizhou, Zhejiang, China, has been delivering precisely that for more than two decades. With a dedicated team of over 110 professionals, including 35 die designers and technicians, the company has earned the trust of major automotive brands worldwide.

A Legacy of Precision: More Than 20 Years in the Industry

Founded in 2003, Dian Stamping Company has grown from a specialized die workshop into a comprehensive manufacturing hub. The company's main facility spans approximately 50,000 m², with a dedicated die workshop of 4,000 m² and a planned 35,000 m² expansion featuring new press lines and advanced coating capabilities. This infrastructure supports an annual production capacity of approximately 2,000 sets of medium and small stamping dies, with an annual die turnover of around RMB 50 million.

The company's commitment to continuous improvement is reflected in its adherence to ISO 9001 quality management standards and IATF 16949-oriented automotive manufacturing practices — ensuring that every component leaving the factory floor meets the rigorous expectations of the global automotive industry.

Comprehensive Product Portfolio for Automotive Manufacturing

Dian Stamping Company offers a complete range of products and services that cover the entire stamping and assembly workflow. Whether you need precision tooling for high-volume production or custom sheet metal parts for prototype validation, the company has the capabilities to deliver.

Stamping Dies — The Heart of Metal Forming

As a leading provider of automotive stamping dies, Dian Stamping specializes in progressive dies, transfer dies, and tandem (multi-station) dies for large and medium-sized complex parts. These precision tooling solutions are designed for high-volume production of body-in-white components, door systems, seating system parts, instrument panels, fuel-tank systems, exhaust systems, and chassis components. The company processes a wide range of materials including multiphase steel, aluminum alloys, custom rolled and welded plate, and stainless steel — providing flexibility for diverse automotive applications.

Sheet Metal Parts — From Prototype to Mass Production

Beyond tooling, Dian Stamping delivers high-quality stamped sheet metal parts for both automotive and household appliance industries. The company's sheet metal fabrication capabilities include cutting, bending, forming, and welding assembly, with the ability to work from 2D drawings, 3D data, or physical samples. Whether you need prototype sheet metal parts for design validation or production-scale stamping, the company offers end-to-end solutions with fast turnaround times.

Checking Fixtures — Ensuring Dimensional Accuracy

Quality assurance is only as strong as the inspection tools used to verify it. Dian Stamping designs and manufactures high-precision checking fixture solutions that enable fast, repeatable dimensional verification of stamped components and welded assemblies. These GD&T-oriented fixtures eliminate individual measurement variations and ensure that every part meets the specified tolerances — a critical requirement in automotive production where even micron-level deviations can affect safety and fit.

Welding Jigs — Precision Assembly Support

To complement its stamping and inspection capabilities, Dian Stamping also provides custom welding jig solutions. These fixtures are engineered to deliver accurate, repeatable positioning during welding and assembly operations, ensuring consistent weld quality and dimensional stability across production runs. The company's welding jigs support a wide range of automotive assembly applications, from sub-frame welding to body panel joining.

Global Reach, Local Expertise

Dian Stamping Company serves a diverse international customer base, exporting to more than 10 countries. The company's client roster includes major OEMs such as KIA, BYD, Toyota, Honda, Suzuki, and Geely — a testament to the quality and reliability of its products and services. By operating as a direct factory rather than a trading company, Dian Stamping offers competitive pricing without compromising on quality, making it an attractive partner for cost-conscious automotive buyers worldwide.

Quality-Driven Manufacturing

Quality is embedded in every stage of Dian Stamping's production process. The company follows IATF 16949-oriented practices for automotive manufacturing, with rigorous quality control measures throughout the design, tooling, stamping, and assembly phases. Key quality assurance capabilities include:

• In-house design and engineering team with expertise in CAD, SolidWorks, and CATIA
• GD&T-based inspection using checking fixtures and CMM equipment
• Material certification and traceability for all incoming raw materials
• Prototype and tryout services to validate tooling before full production
• Free metal samples available for customer evaluation

Why Partner with Dian Stamping?

Choosing the right stamping partner can make a significant difference in your supply chain's efficiency, cost structure, and product quality. Here is what sets Dian Stamping apart:

• Factory-Direct Pricing: Eliminate middleman costs by working directly with a certified manufacturer.
• Customization Flexibility: From 2D drawings to 3D data or physical samples, the company accommodates your preferred design input format.
• Reliable Lead Times: Typical delivery of 30–40 days for steel stamping dies and approximately 70 days for casting stamping dies.
• Scalable Capacity: With 50,000 m² of manufacturing space and plans for further expansion, the company can handle projects of any scale.
• End-to-End Service: From die design and tooling to stamping, inspection, and welding assembly — all under one roof.