In the automotive manufacturing world, the quality of your stamping dies directly determines the precision, consistency, and cost-efficiency of your entire production line. Choosing the right partner among the world's stamping die manufacturers is a strategic decision that affects lead times, tooling lifespan, and final part quality. DIAN Stamping, operating under LINHAI DIAN MOULD CO., LTD, has built a reputation over two decades as a reliable, factory-direct supplier of precision stamping tooling and stamped metal components for global automotive OEMs and Tier 1 suppliers.

Two Decades of Die-Making Excellence

Established in 2003 in Huangyan, Taizhou, Zhejiang Province, DIAN Stamping brings more than 20 years of hands-on experience in the design and manufacture of automotive stamping dies, transfer dies, and progressive tooling. The company's facility spans approximately 50,000 m², with a dedicated die workshop of 4,000 m² staffed by around 110 employees, including 35 highly skilled die designers and technicians. With an annual production capacity of roughly 2,000 sets of medium and small stamping dies and an annual die turnover of approximately RMB 50 million, DIAN operates at a scale that competes confidently on the global stage.

Comprehensive Stamping Solutions Under One Roof

Unlike many suppliers that specialize in only one segment of the stamping process, DIAN provides end-to-end capabilities spanning tool and die manufacturing, stamping production, welding, assembly, checking fixtures, and welding jigs. This integrated approach means customers can source precision tooling and production-ready parts from a single, accountable partner — reducing supply chain complexity and accelerating time to market.

The company's core technologies include progressive die stamping, transfer die stamping, and tandem multi-station dies, capable of handling complex geometries across a wide range of applications. Material processing expertise covers multiphase steel, aluminum alloys, custom rolled and welded plate, and stainless steel, giving customers flexibility in material selection without compromising on quality.

Product Portfolio: Four Core Categories

Quality Systems and Certifications

DIAN Stamping operates under an ISO 9001 quality management system and follows IATF 16949-oriented automotive manufacturing practices. Rigorous quality control measures — including in-line inspections, CMM (coordinate measuring machine) verification, and dimensional analysis — are applied throughout the tooling and production process to ensure every component meets OEM specifications. The company's checking fixture capabilities further support quality assurance by enabling fast, accurate part verification on the production floor.

Proven Track Record with Global OEMs

DIAN's customer base includes major automotive brands such as KIA, BYD, Toyota, Honda, Suzuki, and Geely. The company exports its tooling and stamped components to more than 10 countries, serving a diverse range of markets across Asia, Europe, and the Americas. This global footprint demonstrates the company's ability to meet international quality standards, delivery schedules, and engineering requirements consistently.

Factory-Direct Pricing and Customization Flexibility

As a manufacturing factory rather than a trading company, DIAN offers direct factory pricing that eliminates intermediary markups, providing significant cost advantages for long-term procurement programs. Customization is available from 2D drawings, 3D CAD data, or physical samples. Prototype services are also offered, allowing customers to validate designs before committing to full-scale production. Typical delivery timelines are 30–40 days for steel stamping dies and approximately 70 days for casting dies, depending on project complexity.

Expanding Capacity for Future Growth

DIAN is currently expanding its manufacturing footprint with a planned new 35,000 m² facility that will feature additional press lines and advanced coating capabilities. This investment underscores the company's commitment to scaling production capacity, adopting new technologies, and serving an increasingly demanding global customer base.