In today's competitive automotive landscape, OEMs and Tier-1 suppliers are constantly searching for ways to reduce lead times, lower costs, and maintain unwavering quality. The answer often lies not in squeezing more from existing suppliers, but in finding a partner who can do more under one roof. LINHAI DIAN MOULD CO., LTD (DIAN STAMPING), established in 2003 and headquartered in Taizhou, Zhejiang Province, China, offers exactly that — a fully integrated manufacturing ecosystem that spans the entire production chain.
Beyond the Stamping Die: A Complete Manufacturing Ecosystem
Many manufacturers specialize in one segment of the production process. DIAN STAMPING takes a different approach. With over 20 years of industry experience, the company has built a vertically integrated operation that covers progressive die stamping, transfer die manufacturing, sheet metal fabrication, welding assembly, and precision inspection — all under one roof. This end-to-end capability means that when you place an order with DIAN, you are not managing multiple vendors across different time zones. You are working with a single team that owns the entire process from die design to final assembly.
At a Glance: DIAN STAMPING operates a 50,000 m² modern facility with a dedicated 4,000 m² die workshop, employs approximately 110 staff including 35 die designers and technicians, and produces roughly 2,000 sets of medium and small stamping dies annually. The company also operates a planned 35,000 m² expansion featuring new press and coating lines.
Precision Tooling for Complex Automotive Components
At the heart of DIAN's offering is its expertise in automotive stamping dies. The company designs and manufactures progressive dies, transfer dies, and tandem/multi-station dies for a wide range of applications — from body-in-white panels and door systems to seating components, chassis parts, and exhaust systems. Capable of processing multiphase steel, aluminum alloys, custom rolled and welded plate, and stainless steel, DIAN's tooling team delivers dies that meet the rigorous demands of modern automotive production.
The company's die designers use advanced CAD/CAM software to transform customer 2D drawings, 3D data, or physical samples into precision-engineered tooling. Typical delivery times are 30–40 days for steel stamping dies and approximately 70 days for casting dies, depending on project complexity.
Customer Trust: DIAN STAMPING serves global automotive brands including KIA, BYD, Toyota, Honda, Suzuki, and Geely, and exports to more than 10 countries worldwide.
Beyond Dies: Sheet Metal Parts, Welding, and Assembly
Unlike many die shops that stop at tooling, DIAN STAMPING carries the process through to finished components. The company's sheet metal parts division produces custom stamped parts, laser-cut components, bent and formed parts, and powder-coated assemblies for both automotive and household appliance industries. Secondary operations including laser trimming, hemming, flanging, and spot welding are all performed in-house, ensuring assembly-ready parts delivered on time.
DIAN also provides custom welding jigs for accurate, repeatable positioning during production welding — supporting chassis, frame, exhaust, and other structural assemblies. This eliminates the disconnect between die design and downstream assembly, reducing dimensional discrepancies and rework.
Quality Assurance Through Precision Inspection
Quality is not an afterthought at DIAN STAMPING — it is built into every stage of production. The company's quality management system is ISO 9001 certified, with practices aligned to IATF 16949 automotive standards. Every stamped part and welded assembly can be verified using a custom checking fixture designed and built in-house, enabling GD&T-compliant inspection of complex geometries. This integrated approach to quality assurance eliminates individual measurement variation and ensures that every part meets the specified tolerances before it leaves the factory.
Free metal samples are available upon request (with freight paid by the customer), allowing potential partners to evaluate DIAN's quality firsthand before committing to production.
The Vertically Integrated Advantage
What truly sets DIAN STAMPING apart is the depth of its vertical integration. By combining die design, die manufacturing, stamping production, welding, assembly, and inspection under one roof and one management system, the company delivers several tangible benefits:
- Faster Time-to-Market: No back-and-forth between separate tooling shops and production facilities. Design iterations and die tryouts happen on-site.
- Cost Efficiency: Factory-direct pricing eliminates brokerage margins. Customers save on logistics, communication overhead, and quality rework.
- Single-Point Accountability: One team owns the entire process. If an issue arises, there is no finger-pointing between vendors.
- Consistent Quality: In-house inspection using custom checking fixtures ensures that dimensional accuracy is maintained from first article through high-volume production.
- Scalable Capacity: With an annual die turnover of approximately RMB 50 million and a new 35,000 m² facility on the way, DIAN is equipped to grow alongside its customers.
Serving Global Automotive OEMs Since 2003
With a track record that spans more than two decades, DIAN STAMPING has evolved from a local die shop into a globally recognized manufacturing partner. The company's customer roster includes some of the world's most demanding automotive brands, and its products reach over 10 countries across Asia, Europe, and the Americas. Whether you need a single progressive die for a new model launch or ongoing production of high-volume stamped parts, DIAN has the experience, infrastructure, and commitment to deliver.
Ready to Streamline Your Stamping Supply Chain?
Contact DIAN STAMPING today to discuss your project requirements. Whether you have a 2D drawing, a 3D model, or a physical sample, their engineering team is ready to provide a competitive quote and a clear path to production.
LINHAI DIAN MOULD CO., LTD
Email: rita@xuhuimould.com | xh-mould@163.com
Phone: +86 13325865358 | +86 13282622227
Address: Hongguang Industrial, Yanjian, Linhai, Taizhou, Zhejiang, China
Request a Quote →
LINHAI DIAN MOULD CO., LTD
Email: rita@xuhuimould.com | xh-mould@163.com
Phone: +86 13325865358 | +86 13282622227
Address: Hongguang Industrial, Yanjian, Linhai, Taizhou, Zhejiang, China
Request a Quote →