When sourcing precision tooling for automotive production, the choice of partner directly impacts your project's quality, cost, and timeline. As a China-based stamping die manufacturers with over two decades of industry experience, LINHAI DIAN MOULD CO., LTD (Dian Stamping) has built a reputation for delivering reliable, high-precision dies and stamped components to global automotive OEMs and Tier-1 suppliers.

A Proven Track Record in Automotive Tooling

Established in 2003 in Huangyan, Taizhou, Zhejiang Province, Dian Stamping has grown from a specialized die workshop into a comprehensive manufacturing facility covering approximately 50,000 m². The company serves recognized automotive brands including KIA, BYD, Toyota, Honda, Suzuki, and Geely, and exports tooling and components to more than 10 countries worldwide. This extensive experience across multiple OEM platforms gives Dian Stamping a deep understanding of the stringent quality and dimensional requirements that modern automotive production demands.

Comprehensive Capabilities Under One Roof

Unlike many trading companies that merely broker orders, Dian Stamping operates as a true factory with end-to-end manufacturing capabilities. The company's 4,000 m² die workshop houses a skilled team of approximately 110 employees, including 35 die designers and technicians, producing an annual capacity of about 2,000 sets of medium and small stamping dies. With a planned 35,000 m² expansion featuring new press and coating lines, the company continues to invest in advanced production infrastructure.

The company's core services span the full spectrum of automotive stamping dies — including progressive, transfer, and tandem/multi-station dies — as well as sheet metal parts fabrication, checking fixtures, and welding jigs. This vertically integrated approach means customers benefit from streamlined communication, consistent quality control, and competitive factory-direct pricing.

Precision Tooling for Complex Automotive Applications

Dian Stamping specializes in progressive die stamping, transfer dies, and tandem dies designed for complex, high-volume automotive parts. The company processes a wide range of materials including multiphase steel, aluminum alloys, custom rolled and welded plate, and stainless steel, covering applications across body-in-white, door systems, seating systems, instrument panels, fuel-tank systems, exhaust systems, clutch systems, and chassis systems.

Beyond die manufacturing, Dian Stamping offers full-service custom sheet metal parts production, including stamping, welding, laser cutting, and assembly. The company serves both the automotive and household appliance industries, producing components such as brackets, panels, hinges, heat shields, and structural parts with tight tolerances and consistent quality.

To ensure dimensional accuracy in production, Dian Stamping designs and manufactures high-precision checking fixture solutions. These inspection tools allow rapid, repeatable verification of complex stamped parts, eliminating individual measurement variations and ensuring every component meets the required GD&T specifications before moving to the next production stage.

The company also provides custom welding jigs and fixtures designed for accurate, repeatable welding and assembly operations. These jigs are engineered to support high-volume production lines, reducing setup time and ensuring consistent weld quality across every production run.

Quality Management and Industry Standards

Dian Stamping operates under an ISO 9001 quality management system and follows IATF 16949-oriented automotive manufacturing practices. The company's commitment to quality is reflected in its rigorous inspection processes, which include in-line checks and dimensional verification using advanced measurement equipment. Every die and component undergoes thorough validation before shipment to ensure it meets the customer's exact specifications.

Flexible Customization and Fast Lead Times

Understanding that every automotive program has unique requirements, Dian Stamping offers full customization based on 2D drawings, 3D data, or physical samples. Prototype services are available for development and validation phases. Typical delivery times are 30-40 days for steel stamping dies and approximately 70 days for casting stamping dies, depending on project complexity. The company also offers free metal samples (with freight paid by the customer) to help clients evaluate material quality and workmanship before committing to full production.

Why Partner with Dian Stamping?