Over 20 years of expertise in automotive stamping dies, sheet metal fabrication, checking fixtures, and welding jigs 鈥?serving global OEMs from a single, integrated facility in China.

In the automotive industry, the quality of every stamped part begins with the tooling that produces it. Sourcing stamping dies and metal stamping components from a reliable partner is not just a procurement decision 鈥?it is a strategic one that affects production timelines, part consistency, and overall vehicle quality. Automotive OEMs and Tier-1 suppliers around the world have turned to LINHAI DIAN MOULD CO., LTD (DIAN Stamping) to meet their most demanding stamping requirements.

A Foundation Built on Experience

Founded in 2003 and headquartered in Linhai, Taizhou, Zhejiang Province, DIAN Stamping has spent more than two decades refining its capabilities in the design and manufacture of precision stamping tooling and fabricated metal parts. The company operates a modern facility spanning approximately 50,000 square meters, with a dedicated die workshop of 4,000 square meters and a planned expansion of 35,000 square meters that will add new press lines and coating capabilities. With a team of around 110 employees 鈥?including 35 die designers and technicians 鈥?DIAN Stamping achieves an annual die output of approximately 2,000 sets of medium and small stamping dies, with an annual die turnover of roughly RMB 50 million.

Comprehensive Product and Service Capabilities

DIAN Stamping differentiates itself through a vertically integrated, one-stop service model that covers the entire manufacturing chain 鈥?from tool design to stamped parts, inspection, and assembly.

Stamping Dies

The company designs and builds progressive dies, transfer dies, and tandem/multi-station dies for large and medium-sized complex automotive parts. These tooling solutions support Body-in-White (BIW) components, door systems, seating systems, instrument panels, fuel-tank systems, exhaust systems, and chassis systems. DIAN processes a wide range of materials including multiphase steel, aluminum, custom rolled and welded plate, and stainless steel, enabling flexible solutions for diverse vehicle architectures.

Sheet Metal Parts

Beyond tooling, DIAN offers full-production metal stamping services for automotive and household appliance applications. Capabilities include progressive die stamping, transfer stamping, deep drawing, laser cutting, bending, welding, and powder coating. The company produces brackets, panels, hinges, handles, structural reinforcements, and other critical components with tight tolerances and consistent quality.

Checking Fixtures

DIAN manufactures high-precision checking fixture solutions for dimensional inspection of stamped parts and welded assemblies. These GD&T-oriented fixtures enable rapid, repeatable quality verification at the production line, eliminating measurement variability and ensuring every part meets OEM specifications before shipment.

Welding Jigs and Assembly

Custom welding jigs and assembly fixtures complete the production ecosystem. DIAN designs and builds positioning fixtures that ensure accurate, repeatable welding for automotive sub-assemblies, supporting both manual and automated welding processes.

Quality Assurance and Certifications

Quality is embedded in every stage of DIAN's production process. The company's quality management system is certified under ISO 9001, and its manufacturing practices align with IATF 16949 standards for automotive production. Additional certifications include TUV accreditation and recognition as a National High-Tech Enterprise and a Zhejiang Province Science and Technology SME. In-process and final inspections employ CMM (coordinate measuring machine) and 3D scanning to verify dimensional accuracy, ensuring compliance with the most stringent OEM requirements.

Proven Track Record with Global OEMs

DIAN Stamping's customer roster includes major automotive brands such as KIA, BYD, Toyota, Honda, Suzuki, and Geely. The company exports its products to more than 10 countries, demonstrating its ability to meet international quality and delivery standards. This global reach is supported by a typical lead time of 30-40 days for steel stamping dies and approximately 70 days for casting stamping dies, with the flexibility to accommodate urgent project schedules.

Key Advantages of Partnering with DIAN Stamping

• Factory-Direct Pricing: As a manufacturing facility rather than a trading company, DIAN offers competitive pricing without intermediary markups.
• Customization Flexibility: Parts can be developed from 2D drawings, 3D data, or physical samples. Prototype services are available for new product development.
• Material Versatility: The company processes multiphase steel, high-strength steel, aluminum alloys, stainless steel, and galvanized steel 鈥?covering the full spectrum of automotive material requirements.
• Free Samples and Solutions: DIAN offers free metal samples (freight paid by customer) and complimentary engineering evaluations to support project feasibility studies.
• End-to-End Engineering Support: With 35 in-house die designers and technicians using advanced CAD/CAM software, DIAN provides complete design-to-production support.

Industries Served Beyond Automotive

While automotive remains the core market, DIAN Stamping's capabilities extend to aerospace, electronics, and household appliance industries. The company has particular depth in manufacturing precision stamped components for refrigeration systems, including brackets, evaporator panels, hinges, and structural parts for major appliance OEMs.

Conclusion

Selecting the right stamping partner is a critical decision that directly impacts production quality, cost, and delivery reliability. With over 20 years of industry experience, a robust 50,000-square-meter facility, ISO 9001 and IATF 16949-aligned quality systems, and a proven track record serving global automotive OEMs, DIAN Stamping offers the expertise, capacity, and commitment that serious buyers demand.