For over two decades, LINHAI DIAN MOULD CO., LTD (Dian Stamping Company) has established itself as a premier manufacturer of stamping tooling, sheet metal parts, and inspection fixtures for the global automotive industry. Headquartered in Huangyan, Taizhou, Zhejiang Province, China, the company combines deep engineering expertise with modern manufacturing scale to serve OEMs including KIA, BYD, Toyota, Honda, Suzuki, and Geely, with exports reaching more than 10 countries worldwide.
Why Automotive Stamping Dies Matter for Your Production
Stamping dies are the backbone of high-volume metal forming in the automotive sector. From body-in-white panels and door systems to seating structures and chassis components, every stamped part begins with a precision-engineered die. The accuracy, durability, and maintenance cost of your dies directly affect your production uptime, scrap rate, and final part quality. This is why selecting experienced stamping die manufacturers is critical for automotive OEMs and Tier suppliers who cannot afford production delays or quality deviations.
110+ employees including 35 die designers and technicians
2,000 sets of medium and small stamping dies annual capacity
RMB 50 million annual die turnover
Comprehensive Product Capabilities
Dian Stamping offers a full spectrum of tooling and manufacturing services that cover the entire production chain — from die design and fabrication to part stamping, welding, and assembly. This integrated approach eliminates the coordination headaches of working with multiple vendors and ensures consistent quality at every stage.
Stamping Dies
The company specializes in progressive dies, transfer dies, and tandem/multi-station dies for complex automotive parts. These are designed using advanced CAD/CAM software (AutoCAD, SolidWorks, CATIA) and manufactured with high-precision CNC equipment. The die shop processes a wide range of materials including multiphase steel, aluminum alloys, custom rolled and welded plate, and stainless steel. Typical delivery times range from 30–40 days for steel stamping dies to approximately 70 days for casting dies, depending on project complexity.
Sheet Metal Parts
Beyond tooling, Dian Stamping provides high-volume production of stamped sheet metal components for automotive and household appliance applications. With a planned new 35,000 m² facility featuring advanced press lines and coating lines, the company is scaling up its production capacity to meet growing demand from global customers.
Checking Fixtures and Welding Jigs
Quality assurance is a critical aspect of automotive manufacturing. Dian Stamping manufactures high-precision checking fixture solutions and welding jigs that follow GD&T principles, enabling rapid and accurate inspection of stamped components and welded assemblies. These fixtures eliminate individual measurement variations and ensure that every part meets the exact specifications required by OEM quality standards.
Quality Systems and Certifications
Dian Stamping operates under a quality management system certified to ISO 9001, with manufacturing practices aligned with IATF 16949 standards for the automotive sector. The company emphasizes rigorous in-process inspection, 3D coordinate measurement (CMM), and functional testing to ensure that every die and stamped part meets the tight tolerances demanded by modern vehicle programs.
| Parameter | Details |
|---|---|
| Company Founded | 2003 |
| Facility Size | 50,000 m² (current) + 35,000 m² (new expansion) |
| Key Customers | KIA, BYD, Toyota, Honda, Suzuki, Geely |
| Export Markets | 10+ countries worldwide |
| Quality Certification | ISO 9001, IATF 16949-oriented practices |
| Die Types | Progressive, Transfer, Tandem, Multi-station |
| Materials Processed | Multiphase steel, Aluminum, Stainless steel, Rolled plate |
| Customization | From 2D drawings, 3D data, or physical samples |
| Typical Lead Time | 30–40 days (steel dies) / ~70 days (casting dies) |
Why Partner with a China-Based Die Manufacturer?
Global automotive OEMs and Tier suppliers increasingly turn to China for stamping tooling due to three compelling advantages: cost competitiveness, manufacturing scale, and technical capability. A factory-direct partnership eliminates intermediary margins, while China's mature supply chain for tool steel, standard components, and heat treatment ensures consistent quality and fast turnaround. Dian Stamping exemplifies these advantages as a factory — not a trading company — offering direct access to its engineering team and production floor.
- Factory-direct pricing with no middleman markup
- 20+ years of specialized automotive die experience
- End-to-end service from die design to production stamping
- One-stop solution: dies, parts, checking fixtures, welding jigs
- Free metal samples available (freight paid by customer)
- Prototype services for new product development
Application Areas Across the Vehicle
Dian Stamping's tooling and components are used across a wide range of automotive systems:
- Body-in-White: Side frames, rear outer panels, A-pillar reinforcements, spare tire wells
- Door Systems: Hinge reinforcement plates, water-cut panels, guides, middle gates
- Seating Systems: Seat basins, support beams, B-pillar liners, battery cases
- Instrument Panels: Dashboard support structures and cross-car beams
- Exhaust Systems: Heat shields and thermal protection components
- Chassis Systems: Control arms, swing arms, floor panels, and cross members
How to Start Your Project
Dian Stamping accepts custom orders based on 2D engineering drawings, 3D CAD data (STEP/IGS), or physical sample parts. The company's engineering team provides design-for-manufacturing feedback during the quoting stage to optimize die structure, material utilization, and production efficiency. Prototype services are available for new vehicle programs, allowing customers to validate part quality before committing to full production tooling.
Partnering with the right stamping die manufacturer is one of the most important decisions in automotive supply chain management. With over 20 years of industry experience, a 50,000 m² production base, ISO 9001 quality systems, and a customer roster that includes some of the world's largest automotive brands, Dian Stamping offers the reliability, precision, and cost-effectiveness that global OEMs and Tier suppliers demand.
Contact Dian Stamping's engineering team for a free quotation. Whether you need a new progressive die for a high-volume production run or a complete set of tooling for a new vehicle platform, their experienced team is ready to support your project from concept to delivery.
Company: LINHAI DIAN MOULD CO., LTD
Email: rita@xuhuimould.com | xh-mould@163.com
Phone: +86 13325865358
Website: www.dastamping.com