A closer look at what makes a China-based stamping die manufacturer a trusted partner for global OEMs
When sourcing tooling and stamped components from China, automotive OEMs and Tier-1 suppliers face a common challenge: finding a partner that combines precision engineering, production scale, and consistent quality — not just a die builder, but a true manufacturing ally. One company that has steadily earned that reputation is Dian Stamping (LINHAI DIAN MOULD CO., LTD), a veteran stamping die manufacturers based in Taizhou, Zhejiang Province.
Two Decades of Automotive Tooling Expertise
Established in 2003, Dian Stamping brings more than 20 years of hands-on experience in the design and manufacture of automotive stamping dies, stamped sheet-metal parts, checking fixtures, and welding jigs. The company has grown from a specialized tooling workshop into a full-service manufacturing facility serving well-known automotive brands including KIA, BYD, Toyota, Honda, Suzuki, and Geely, with exports reaching more than 10 countries worldwide.
50,000 m²
Modern Facility
110+
Skilled Employees
35+
Die Designers & Technicians
2,000
Die Sets Annually
A Comprehensive Product Portfolio
Unlike many tooling shops that specialize in only one segment, Dian Stamping offers a vertically integrated range of products and services that cover the entire manufacturing chain:
Precision Stamping Dies
Dian Stamping manufactures progressive dies, transfer dies, and tandem/multi-station dies for medium to large, complex automotive parts. These tooling solutions are used across body-in-white, door systems, seating systems, instrument panels, fuel-tank systems, exhaust systems, and chassis systems. The company's die workshop, spanning approximately 4,000 m², produces around 2,000 sets of medium and small stamping dies per year, with an annual die turnover of approximately RMB 50 million.
Custom Sheet Metal Parts
Beyond tooling, Dian Stamping produces high-volume custom sheet metal parts for automotive and household appliance applications. The company processes a wide range of materials including multiphase steel, aluminum, custom rolled and welded plate, and stainless steel. Capabilities include stamping, welding, assembly, laser cutting, and surface finishing — all under one roof.
Checking Fixtures & Welding Jigs
To ensure dimensional accuracy of stamped components, Dian Stamping designs and builds high-precision checking fixtures based on GD&T standards. These fixtures allow fast, repeatable inspection of large part volumes without the need for complex measuring instruments. The company also supplies custom welding jigs that ensure accurate, repeatable positioning during welding and assembly operations — a critical requirement for automotive body and chassis production.
Quality Systems and Manufacturing Standards
Dian Stamping operates under a quality management system aligned with ISO 9001, and follows IATF 16949-oriented automotive manufacturing and quality practices. Every die and component undergoes rigorous inspection, including in-line checks and CMM (coordinate measuring machine) verification where required. The company's commitment to quality extends to its material selection, heat treatment processes, and tryout procedures.
Key Differentiator: Dian Stamping is a factory-direct manufacturer, not a trading company. This means customers benefit from direct pricing, faster communication, and full control over production timelines.
Customization and Prototyping Services
Dian Stamping accepts custom orders based on 2D drawings, 3D CAD data, or physical samples. The company's in-house design team, equipped with 35 die designers and technicians, works closely with customers to optimize die structure and manufacturing processes. Prototype services are also available, 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 stamping dies, depending on project complexity and requirements. Free metal samples are offered upon request, with freight paid by the customer.
Why Global OEMs Choose Dian Stamping
Several factors set Dian Stamping apart from other stamping die manufacturers in China:
- End-to-end capability — from die design and fabrication to stamped parts production, fixture building, and assembly, all in one facility.
- Proven OEM track record — supplying tooling and parts to KIA, BYD, Toyota, Honda, Suzuki, Geely, and other global brands.
- Scale and capacity — a 50,000 m² modern facility with a planned 35,000 m² expansion featuring new press and coating lines.
- Factory-direct pricing — no middleman markups, with competitive cost structures that benefit long-term supply agreements.
- Material versatility — experience processing multiphase steel, aluminum, stainless steel, and custom alloys.
- Export experience — over a decade of serving international customers across 10+ countries.
The New Facility: Scaling for the Future
Dian Stamping is currently investing in a new 35,000 m² facility equipped with advanced press lines and coating systems. This expansion will significantly increase the company's production capacity for both stamping dies and sheet metal parts, while enabling tighter quality control over surface finishing and corrosion protection processes. For customers, this means shorter lead times and greater production flexibility as vehicle programs ramp up.
Ready to Partner with a Trusted Stamping Die Manufacturer?
Whether you need a single progressive die for a new model program or a full suite of tooling, checking fixtures, and production stampings, Dian Stamping has the experience and capacity to deliver. Contact their team today to discuss your project requirements and request a quotation.
LINHAI DIAN MOULD CO., LTD
Phone: +86 13325865358 | +86 13282622227
Email: rita@xuhuimould.com | xh-mould@163.com
Website: www.dastamping.com
Address: Hongguang Industrial, Yanjian, Linhai, Taizhou, Zhejiang, China
Phone: +86 13325865358 | +86 13282622227
Email: rita@xuhuimould.com | xh-mould@163.com
Website: www.dastamping.com
Address: Hongguang Industrial, Yanjian, Linhai, Taizhou, Zhejiang, China