12 years of experience in custom sheet metal fabrication services, rich craftsmanship, professional and trustworthy
Sheet metal processing that can handle complex bends and shapes
Can handle a variety of metal materials and surface treatments
ISO 9001 Certified | OEM/ODM | DFM Feedback in 8H
High-Quality, Efficient custom sheet metal fabrication services
Mulan Group Sheet Metal Processing Manufacturer in China has 12 Years’ Experience in Sheet Metal Design & Production,We produce more than 8 million precision sheet metal parts each year and provide commercial sheet metal engineering services to more than 100 customers worldwide. With our state-of-the-art sheet metal facilities, advanced sheet metal fabrication technology, and professional engineering and production teams, we are able to provide high-quality custom sheet metal parts to meet your business needs. In addition, our extensive material selection and process, as well as our sheet metal assembly and quality control capabilities, enable us to easily handle sheet metal projects from design to delivery.
- ISO Certified Supplier
- Tailored to Your Specifications
- OEM sheet metal parts supplie
In addition, we can provide customers with clear quotes within 24 hours and deliver designs and prototypes within 2-3 days. We look forward to hearing from you!


What can our sheet metal fabrication services do for you
Sheet metal processing is one of the most important methods of metal forming services. It can be used to create almost any 2D sheet metal component you can imagine. Brackets, terminals, enclosures, cabinets, springs, washers, cases, protective shells, etc. are very rich, because these metal components are usually made of materials such as stainless steel, copper and aluminum, and can be quickly formed and bent without molds, thus ensuring production speed. Of course, as a professional sheet metal fabrication manufacturer, Sheet metal forming, sheet metal bending, sheet metal riveting, laser cutting, welding, stamping and other processing technologies are essential. As we have been providing services to the world’s top 500 companies for a long time, we are very confident in completing your commissioned orders, both in terms of technology and manufacturing capabilities, as well as custom design capabilities.
In short, our sheet metal processing services can meet the needs of a wide range of industries. If you have any needs, please feel free to contact us.
Sheet Metal Product 3d Printed Prototypes
We will make an original design for each custom sheet metal component and present it to our customers with a 3D prototype, such as proportional size, spray color contrast, preview of the bending state of complex shapes, and 3D display of the hole positions, punching shapes, and number of holes on various cases, cabinets, and enclosures, so that customers can clearly know what the actual finished product will look like and whether it meets expectations. At this stage, 99% of processing problems can be avoided, and ultimately a satisfactory product can be delivered to customers.



Mulan Group Sheet Metal Fabrication Capabilities
| Feature | Description |
| Blank Size | 5’ x 10’ (1.52 m x 3.05 m). We accommodate larger part volumes upon request. |
| Standard Lead Time | 3 business days |
| Sheet Thickness | 0.024” – 0.250” typical. We accommodate thicker or thinner gauges upon request. |
| General Tolerances | See our Sheet Metal manufacturing standards for details on general tolerances. |
| Braking (Hydraulic) | 14′ length |
| Braking (Magnetic) | 6 tons of magnetic pull across the entire beam, 5/8″ minimum reverse bend |
| Punching | 2″ diameter hole capacity, or larger upon request |
| Welding | Welded edges and seams, weldments, and assemblies |
Sheet Metal Materials Available at Mulan Group
| Aluminum | Aluminum 1100-H14, Aluminum 5052-H32, Aluminum 6061 |
| Copper | Copper 101, Copper C110, Copper C110, H02 Copper 260 (Brass) |
| Bronze | Bronze 220, Bronze 510 |
| Stainless Steel | Stainless steel 301,Stainless steel 304,Stainless Steel 304 #4 brushed, Stainless Steel 304, #8 mirror polish, Stainless steel 316/316L, Stainless Steel 316, #4 brushed |
| Steel | Steel 1018 (Low Carbon), Steel 1045 (Hot Rolled), Steel A569/ASTM A1011 (Hot Rolled) AZ55 Galvalume, A653 Galvanized, 1095 Spring Steel, Steel A36, Steel A36, pickled and oiled,Steel A366/1008 |
| Nickel Alloys | Inconel 625, Nickel Alloy 200, Nickel Alloy 400 |
| Titanium | Titanium (Grade 2), Titanium 6AI-4V (Grade 5) |
Available Sheet Metal Finishes
| Standard | Minimal post-processing or treatment on parts is done. |
| Bead Blast | The part surface is left with a smooth, matte appearance. |
Anodize (Type II Or Type III) | Type II (MIL-A-8625, Type II) creates a corrosion-resistant finish. Sheet metal parts can be anodized in different colors—clear, black, red, and gold are most common—and are usually associated with aluminum. Type III (MIL-A-8625, Type III, Class 1/2 “hardcoat”) is thicker and creates a wear-resistant layer in addition to the corrosion resistance seen with Type II. |
| Chem Film (Chromate Conversion Coating) | This sheet metal finish provides corrosion resistance and good conductivity properties. Chem film can be used as a base for paint and can leave surfaces yellow or gold. Adds very little thickness, about 0.00001”-0.00004.” Chem film will conform to MIL-DTL-5541, TYPE I/II. |
| Powder Coat | This is a sheet metal fabrication process where powdered paint is sprayed onto a part that is then baked in an oven. This creates a strong, wear- and corrosion-resistant layer that is more durable than standard painting methods. A wide variety of colors are available to create the desired aesthetic. |
Electroless Nickel Plating | A sheet metal fabrication process that provides uniform nickel coating which offers protection from corrosion, oxidation, and wear on irregular surfaces. The finished part will be brighter. Thickness starts at .0001” and this finish conforms to MIL-C-26074. |
| Gold Plating | Gold Plating provides good corrosion and tarnish resistance with excellent solderability. Default application specification is MIL-G-45204 & ASTM B488, CLASS 00, 0, OR 1 (Thickness 0.00002″ – 0.00005″). |
| Silver Plating | Silver offers high solderability and electrical conductivity but is susceptible to tarnish on sheet metal parts. Conforms to AMS QQ-S-365D. Thickness is about 0.00002”- 0.0003.” |
Advantages Of Mulan Group Sheet Metal Processing
When we officially cooperate, you will enjoy our high-quality business service experience. We will take out 100% professionalism and 100% customer service capabilities to complete the delivery of each batch of orders. Because we are not just doing business, but also hoping to make new friends. We hope to establish a long-term friendly cooperative relationship with you.
● Flexibility
The size and material can be adjusted at any time without increasing the cost.
● Customized Surface
Applicable to various surface treatment methods, such as sandblasting, anodizing, electroplating, plastic spraying and painting.
● Lightweight
Use the deformation of the metal sheet to create a hollow product, which greatly reduces the weight.
● Wide Selection Of Materials
Choose the metal plates reasonably according to the applicable requirements. There are more than 60 kinds of metal plates, including: color-coated plates, galvanized plates, mirror-polished plates, etc.
● Cost-effective
There is no need to make expensive metal molds, and there is not much investment in fast tools.
● Fast Turnaround
It only takes a few days to put the materials into production to the completion of production, and now you can start the production plan.

Sheet Metal Design Guidelines
| Feature | Description (MT = Material Thickness) |
| Minimum Bend | 1X MT |
| Minimum Hole to Edge Distance | 2X MT |
| Minimum Hole to Hole Distance | 6X MT |
| Minimum Bend Edge to Hole Distance | 6X MT |
| Minimum Feature to Countersink Distance | 8X MT |
| Minimum Countersink Depth | 0.6X MT |
| Relief Cuts | 1X MT |
| Corner Fillets | 0.5X MT |
Our sheet metal samples
Below are the sheet metal parts or finished products we customize for our customers. There are many varieties. If you want to know more,
you can click to view the Gallery

Custom metal enclosure

Custom Sheet metal box

Precision Sheet Metal Cabinet

Custom Metal Panel

Custom Sheet metal bracket

Other custom sheet metal parts

Custom electronic terminals

Custom sheet metal stamping parts
Sheet Metal Fabrication FAQs
What types of sheet metal does Mulan Group work with?
We work with a variety of materials including Aluminium (5052, 6061, 6063, 1060), Carbon Steel (SPCC, HRS, SAPH440), Stainless Steel (201, 304, 316), and Cold Galvanized Steel.
What sheet metal thickness can Mulan Group handle?
Our equipment and techniques can handle a wide range of thicknesses, from 0.5mm to 20mm, depending on the material and the process used. Read more here.
Does Mulan Group provide DFM support for sheet metal fabrication projects?
Yes, we offer support from the design stage all the way through to full-scale mass production. Our team helps fine-tune your product design through Design for Manufacturing (DFM) and ensures that your parts can be manufactured accurately, efficiently, and at a quality that matches your specifications.
Can Mulan Group handle complex and high precision parts?
Absolutely. Mulan Group has the capabilities to manufacture complex, high precision parts using steel, aluminum, and stainless steel. We handle complex geometries and high-mix, medium-volume production runs.
Can Mulan Group arrange for export shipment on our behalf?
Yes, Mulan Group is able to handle your shipment for products manufactured. We have a network of freight forwarders whom we work with for shipments to various countries.
What sheet metal processes do you have?
The sheet metal processes supported by Mulan Group include laser cutting, bending, welding, stamping, and surface treatment. These processes can manufacture almost all sheet metal parts on the market. Of course, Mulan Group also provides metal casting and forging services. If you need them, please consult the business manager who will receive you.
Sheet Metal Fabrication
Customized sheet metal fabrication services for medium to high volume orders.
Turnkey Contract Manufacturing
Vertically Integrated, Full-Service Contract Manufacturer
You can contact us by email, phone or the form below. Of course, it is recommended that you provide us with complete cooperation information, such as sheet metal fabrication drawings, process requirements, material requirements, application scenarios, tolerance requirements and quantity. In this way, we can quickly provide you with a specific quotation and solution within 12 hours.
One stop custom sheet metal fabrication service provider in China
- 12+Years Sheet Metal Manufacturing Factory
- Certified with ISO 9001:2015 quality standards
- Free 2D/3D Design Drawing