If you are evaluating a stamping die manufacturer for a new automotive program, the very first question that usually comes up is about scale: how big is the factory? The answer matters because it tells you, at a glance, how many programs a supplier can realistically run at once and how much of the work happens under its own roof. For DIAN Stamping, the short answer is that the company operates a manufacturing plant of approximately 50,000 square meters, with a dedicated die and fixture workshop of around 4,000 square meters.
These figures are not just marketing numbers. A factory of this size gives DIAN the physical room to keep design, machining, assembly, tryout, and inspection in a single location, which is one of the clearest signs that you are dealing with a genuine factory rather than a trading company. Below is a closer look at what that footprint actually supports.
How the Factory Floor Is Organized
The total area of about 50,000 m² is split into functional zones, each dedicated to a specific stage of the die-making process. The core of the operation is the 4,000 m² die workshop, where tool steel is machined, heat-treated, assembled, and brought to final tolerance. Around it sit areas for CNC machining and wire EDM, a tryout press floor, and an inspection bay equipped for dimensional verification. By keeping these stages under one roof, the company avoids the handoff delays that happen when a supplier has to ship work between different vendors.
This layout is supported by a team of roughly 110 employees, including about 35 die designers and technicians. Engineering, production, and quality control therefore sit within the same building, which makes it easier to resolve issues quickly during development and tryout.
What 50,000 Square Meters Makes Possible
Scale translates directly into throughput. With this footprint, DIAN maintains an annual capacity of approximately 2,000 sets of medium and small stamping dies, and reports an annual die turnover of around RMB 50 million. That level of output means the company can take on several active programs at the same time without constantly juggling priorities, which is a practical concern for buyers who need reliable quotes and schedules.
The same factory also supports the production of stamped sheet metal parts, checking fixtures, and welding jigs. Because all of these run on the same floor, a customer can source tooling and the parts themselves from a single facility, reducing the number of suppliers to manage and keeping quality standards consistent across the board.
A Facility That Is Still Growing
The number to watch is not only the current 50,000 m². DIAN is also developing a new 35,000 m² facility that will add further press lines and coating capabilities, including automated production lines, an R&D laboratory, and electrophoresis and powder-coating support. This expansion is a strong signal of forward capacity, especially for customers planning multi-year vehicle programs that need a supplier able to grow with them.
Why Factory Size Should Be Part of Your Checklist
When you narrow down potential suppliers, treat factory size as one of several practical indicators alongside engineering depth, material expertise, and quality management. A large, well-organized floor plan signals that a manufacturer has the equipment and manpower to honor lead times and handle complexity. It also makes it straightforward to verify the claim in person or through a virtual tour, which is exactly what a prudent sourcing team should ask for.
DIAN Stamping combines this manufacturing scale with more than 20 years of experience serving OEMs including KIA, BYD, Toyota, Honda, Suzuki, and Geely, and exporting to more than 10 countries. If you would like to confirm the facility details first-hand or discuss what the factory can do for your project, the team is happy to arrange a tour or a quotation through the contact page.