Contract sheet metal manufacturing
Custom
Panel Enclosure
Manufacturing Services
Panel enclosures come in a variety of types, including freestanding, wall-mounted, floor-mounted, modular and outdoor. Each type has its own unique uses and characteristics. For example, wall-mounted enclosures are ideal for environments where space is limited, while outdoor enclosures are specifically designed for exterior installations and can withstand inclement weather.
outdoor control panel enclosure
Modular panel enclosures
Freestanding panel enclosures
wall-mounted panel enclosure
waterproof panel enclosure
Lockable panel enclosure
Rapid Prototype Turnaround
Committed to exceeding expectations for quality and rapid turnaround, and meeting high-quality electrical enclosures.
On-Demand Fabrication
Whether it is rapid prototyping & large-volume manufacturing, we will implement it according to customer needs and standards.
Real EX-Factory Quote
Integrate product design, bending, stamping, cutting, surface treatment, etc. to provide a series of manufacturing solutions.
Custom Control Panel Enclosure Manufacturer
Panel Enclosures are protective enclosures, structures used to protect electrical and electronic components from unfavorable environmental influences. They protect sensitive equipment from environmental factors such as dust, moisture, and temperature changes, and ensure that control panels operate reliably in a variety of industrial environments. In addition, they enhance safety by preventing accidental contact with energized electrical components, reducing the risk of electric shock or equipment damage.
Panel enclosures are available in a variety of types, including freestanding, wall-mounted, floor-mounted, modular and outdoor. Each type has its own unique uses and features. For example, wall-mounted enclosures are ideal for environments where space is limited, while outdoor enclosures are specifically designed for exterior installations and can withstand inclement weather.
Choosing the right size of enclosure is important because it takes into account not only the clearance of the internal components, but also factors such as heat dissipation, physical mounting space, and ventilation. The enclosure must be properly sized to ensure that sensitive internal components are not physically damaged by heat and friction.
Control panel enclosure are used in many applications including manufacturing, chemical, refining, OEM, MRO, and wastewater treatment facilities. These housings are durable, corrosion-resistant, and can withstand extreme conditions and exposure to chemicals and water.
Benefit from more options
Custom panel enclosure Project Gallery
In modern industrial and commercial environments, high quality customized panels enclosures provide the commercial characteristics of stable operation, safety, durability and aesthetics. Unique performance advantages can be utilized, making them the choice for a wide range of applications.
Superior Panel Enclosure Manufacturing Capabilities
Supro MFG was established in 2006. Specializing in a range of product design and manufacturing services for custom metal panel enclosure processing, it strictly implements the ISO9001-2015 quality standards and achieves innovative on-demand manufacturing of customized products through digital intelligent manufacturing lines.
Supro MFG’s primary business includes customized sheet metal cabinets, enclosures, racks, and all demanding metal housing products, and offers a range of turnkey manufacturing services including product design, batch manufacturing, surface finishing, and complex assembly services.
The company has earned the trust of more than 3,500 buyers globally through its manufacturing experience, technical expertise and successful delivery of more than 20,000 projects.Supro MFG strives to be the “Super Specialty Supply” for global buyers by providing automated sheet metal fabrication services through technological innovations and rapid response.
With 3 automated manufacturing bases, Supro MFG provides one-stop solutions for hybrid part assembly and volume manufacturing through advanced intelligent manufacturing equipment, and is committed to changing the perception of China’s manufacturing industry as “poor quality, poor communication, and delayed delivery” in the world’s manufacturing industry.
The company provides real factory quotes, accelerated development and manufacturing processes for metal panel enclosure projects, transparent production plans and schedules (weekly progress reports), one-stop turnkey manufacturing services, cost-effective product manufacturing services, and 24 hours * 7 days online technical support.
laser cutting services
sheet metal bending services
metal welding services
Customization options for panel enclosure
High quality panel enclosures are often used to protect electrical equipment such as mounting sensitive sensors, transformers, current protection systems or control panels to ensure that the electrical system is protected from equipment failure caused by sunlight, rain, dust, dirt or vandalism.
Supro MFG offers a wide range of customized solutions for you. We understand that panel enclosures are critical to your electrical engineering applications, and we understand the unique protection requirements of many electrical components, creating mounting racks, shelves, din rails, and viewing windows inside the customized panel enclosure depending on the design and type to We create mounting racks, shelves, din rails, and viewing windows inside custom panel enclosures based on different designs and types to achieve the optimal layout of your electrical equipment, and we understand your unique protection needs and provide the flexibility to offer a full range of manufacturing solutions.
- Power supply
- Terminal block
- Lightning arrester
- Power Circuit
- Transformers
- Programmable Logic Controller
- Contactors
- Relay
- Network Switches
- Main Circuit Breakers
- Overcurrent Protection Devices
- Wires and Cables
- Customized brackets
- Din Rail
- Cooling Fans
- Multiple surface finishes
- Other Requirements
Advantages of supro MFG panel enclosure
When your equipment is at risk of environmental damage or perceived damage, we provide superior protection solutions specific to the unique protection needs you present.
Relying on a wealth of manufacturing experience, a foundation of technical expertise, and robust fabrication capabilities, our custom panel enclosure products are industry-leading, and you’ll receive competitive manufacturing services and unsurpassed quality delivery.
- Weather-resistant finishes: We offer high-quality finishes for enclosures designed to safely house and protect your electronic controls and components in the most demanding indoor and outdoor environments.
- High-value technical advice: We provide free professional guidance to customers in different industries to improve design solutions, reduce manufacturing costs, improve production efficiency and make products more competitive in the market.
- Flexible Accessory Options: We offer a wide range of hardware from around the world, including: hinges, locks, brackets, rails, viewing windows, and other accessories, as well as fully customized machining of the parts you need.
- NEMA Certified and IP Rated: Our enclosures are NEMA certified and IP rated to meet industry compliance and optimal performance standards.
- Fully Customizable: All of our enclosure designs are customizable to meet your system’s needs. We can provide custom cutouts, shelf configurations, and other options pre-built into the design. These features save you time and resources during the installation process while saving significant costs.
No design files? Let Supro MFG do it for you.
We often come across clients who have no professional design drawings and documentation, only a creative idea, which leads to the project being at a standstill.
If you are in this situation, then contact our team of experts.
Supro MFG, as an industry-leading custom metal fabricator, has an ever-experienced team of engineers who utilize their extensive fabrication experience and technical expertise to build your idea into a real product and create design files such as STEP/STP/SLDPRT/DXF/PDF/PRT/DWG/AI.
That’s what makes SUPRO MFG so great, and 2,000 corporate, entrepreneurial, artist, and other purchasers from around the world enjoy working with us and benefiting from our one-stop manufacturing services.
Custom electrical panel enclosure solution
Professional Contract Manutacturing Services
High-quality panel housings need to meet specific standards and requirements in terms of material selection, electromagnetic compatibility, environmental sealing, hardware fixing, adaptability to the installation environment and temperature resistance.
Reasonable choice of materials
Aluminum Alloy: Lightweight and corrosion resistant, 5052 aluminum and 6061 aluminum are commonly used aluminum alloy materials. 5052 aluminum has good bending ability and is suitable for sheet metal enclosures, while 6061 aluminum is easier to process.
Stainless Steel: Contains chromium and nickel for improved corrosion resistance and has high tensile strength for high impact applications.
Galvanneal: Galvanized and annealed mild steel material that is corrosion resistant and suitable for wet environments.
Galvanneal.
CRCA (Rolled Closed Annealed Steel): Suitable for interior panel enclosures and components, providing a combination of stiffness and strength.
Copper: although not commonly used for panel enclosures, it has excellent thermal and electrical conductivity for electrical applications.
- stainless steel :301 / 304 / 316 / 316L Etc.
- Aluminum alloy : 6061 / 6063 / 5052 / 5754 / 5082 Etc.
- Steel : Carbon Steel. Galvanized steel. Color coated steel, other steel.
- Plastic : ABS / Acrylic / fiberglass / PC / PVC
Flexible structural design
The structural design of electrical cabinet housings needs to comply with electrical safety codes, meet high efficiencies for mass production, and be competitively cost-effective. Ensure adequate space layout to accommodate electrical components and facilitate post maintenance.
At the same time, we should consider the heat dissipation needs, reasonable design of ventilation holes and heat sink structure, to prevent overheating caused by equipment failure. According to different protection level requirements, rationally design the sealing and surface coating.
From simple rectangle to complex shaped structure, it needs to be accomplished through rich experience after continuous testing. For shells with special requirements, such as the need to increase the heat dissipation holes or mounting accessories, but also need to use punching, drilling and other processes to deal with.
laser cutting services
Laser cutting service is the most cost-effective cutting process.
Characterized by high precision and efficiency, it is able to accurately cut out the contour of the shell and reduce material wastage, while the CNC bending machine, according to a pre-set program, accurately bends the cut sheet to form the basic framework of the shell.
Supro MFG has two 6000KW high-precision laser cutting machines and one 12000Kw high-precision laser cutting machine, which can fulfill the requirement of cutting small quantities of sheet metal in one day.
sheet metal bending services
With our extensive experience in sheet metal bending and our advanced equipment, we can handle sheet metal bending parts manufacturing tasks for any industry.
We can manufacture exactly what is needed: angles, "U" shapes, multiple bent shapes, "C" shapes, etc., as well as all complex product designs. Provides the same dimensional and fit tolerance consistency, +/- .05mm accuracy on features or edges.
Supro MFG will always exceed your quality expectations.
Metal welding & Polishing fabrication services
At Supro MFG, the components of our customized electrical enclosures are joined together by welding techniques. For stainless steel or aluminum alloy enclosures, laser, TIG (Tungsten Inert Gas) or MIG/MAG (Melting Electrode Gas) welding is often used to ensure the aesthetics and strength of the weld. Cold rolled steel shells may be resistance welded or arc welded, depending on the specific needs of the choice.
After the welding is completed, it is also necessary to carry out weld grinding, stress relief treatment, etc., to ensure that the weld seam is flat, no cracks, while reducing welding deformation. Grinding removes slag and burrs and improves appearance.
surface treatment Services
In order to improve the corrosion resistance and aesthetics of the shell, surface treatment, such as electrostatic spraying, powder coating or anodizing, is usually required. These processes can form a layer of uniform, dense coating on the surface of the shell, effectively isolating the external environment.
Coating is the key link to enhance the protective performance of electrical cabinet shell. According to the design requirements, select the appropriate coating (such as epoxy paint, polyurethane paint, etc.), through spraying, dip coating and other ways to evenly cover the surface of the shell, forming a dense protective layer. During the coating process, it is necessary to pay attention to control the thickness and uniformity of the coating to avoid defects such as sagging and blistering.
Wide range of electrical panel enclosure accessories
We can provide you with a wide range of electrical enclosure accessories, whether non-standard or standard parts, including: hinges, bolts, seals, brackets, panels, viewing windows, cables, terminals, and more.
Assembly and Testing and Quality Control
Assembly is the final step in shell production and involves the precise installation of components such as door, side and top panels, as well as the fixing of accessories such as internal brackets and rails. The selection and installation of fasteners is critical in this process, both to ensure sufficient tightening force and to avoid deformation of the shell or damage to components caused by over-tightening.
After the assembly is completed, a series of tests need to be carried out, including insulation resistance test, voltage resistance test, protection level test, etc., in order to verify the overall performance and safety of the electrical cabinet shell. At the same time, it is also necessary to carry out an appearance check to ensure that the shell is free of scratches, dents and other defects.
Establishment of a perfect quality control system, every link in the production process is strictly controlled to ensure stable and reliable product quality. This includes raw material inspection, process control (such as first piece inspection, process inspection and finished product inspection, etc.) and performance testing and other aspects. At the same time, strengthen staff training, improve the skill level and quality awareness of production staff.
metal bending services
Sheet metal bending material solutions
Supro MFG offers a robust stockpile of materials to help your products can get up and running with a quick turnaround.
Within an hour, the metal material is ready for the sheet metal bending process.
Aluminum Alloy
stainless steel
Copper
steel
Other
1060
6061-T6 / T5
6063
5052-O
5083
5754
7075
2A12
201
303
304
316
316L
420
430
440
H62
H65
H68
H90
C10100
C11000
C12000
C51100
Q235 - F
Q255
16Mn
12CrMo
# 45
20 G
Corrugated Steel Sheets
Fluorocarbon color steel
Embossed panels
Galvanized sheet
Get a list of sheet metal materials
0.6mm - 200mm
1220mm * 2440mm
Custom roll & Strips
0.05mm - 300mm
1220mm * 2440mm
Custom roll & Strips
0.5mm - 6mm
1200mm * 4000mm
Custom roll & Strips
0.5mm - 500mm
1500mm * 6000mm
Custom roll & Strips
- Laser Cutting
- Wire cutting
- CNC Machining
- bending
- stamping
- deep drawing
- welding fabrication
- Anodizing
- Painting
- Powder Coating
- More Customized Solutions
Why choose Supro MFG's Custom metal panel enclosure Services
Provide the most cost-effective cost solution for manufacturing and assembling products, expanding product competitiveness.
a technical team specializing in custom shell manufacturing for more than 30 years.
Advanced Manufacturing Equipment: Industry-leading custom metal enclosure manufacturer with in-house sheet metal, die casting, precision machining workshops, and surface coating workshops.
ISO 9001-2015, PPAP III level, RoHS, NEMA, CE and other certified production standards.
24H*7 online English technical support: The professional English team responds quickly to users’ technical questions online at any time.
help users from product design, prototype, batch manufacturing, surface treatment, assembly and packaging, transportation and a series of value-added services.
With in-house mechanics and chemistry laboratories, it can quickly monitor manufacturing process quality control to ensure the delivery of high-quality products.
Accept to sign NDA documents to ensure that customers’ product information is protected.
Door-to-door delivery in customizable secure packaging after complying with the delivery details agreed with the customer.
online custom metal panel enclosure fabrication
Only 4 steps
Contact our experts team and experience the efficiency and economic benefits of digital metal fabrication services.
Upload Design Files
STL , STEP (.stp), IGES (.igs), (.ZIP), or PDF.
Also be a sample or an idea
Quote & Design Analysis
Instant factory quotes and DfM reports, the most reasonable solution.
Manufacturing Begins
Digital processes can initiate order tasks within 24 hours.
On-Time Delivery
Keeping delivery promises, approved by 3000+ Global Company buyers.
F.A.Q
Supro MFG is a China-based custom metal parts manufacturer, not a trading company. We specialize in custom sheet metal parts, prototypes and related metal fabrication processes under an ISO 9001:2015-certified quality system. Surface treatment, heat treatment and standard purchased components may be coordinated with qualified supporting suppliers when required by the project. Learn more about our factory.
Yes. We operate our own sheet metal fabrication, welding, laser-cutting and precision CNC machining workshops, covering more than 3,000 square meters. The original operating team includes 12 technical engineers, 36 skilled workers, six quality engineers and an English-speaking project-support team.
Yes. NDA requirements can be confirmed before detailed technical review. Customer drawings, specifications and patented technology are treated as confidential, and access is limited to authorized personnel involved in engineering, production, quality and project communication. Contact our project team before sending sensitive files if you require an NDA first.
Yes. Our engineering team can help develop manufacturable design files from your concept, reference sample or functional requirements. Supported formats may include STL, STEP, IGES, PDF and CAD. DFM feedback can be provided to improve manufacturability, control cost and prepare the design for prototyping. You can send your concept or requirements for an initial review.
Quality control begins with drawing and material review and continues through receiving inspection, First Article Inspection (FAI), In-Process Quality Control (IPQC), dimensional verification, surface-finish inspection, packaging inspection and final release. Inspection reports, photographs and third-party inspection support can be provided according to the agreed project scope.
Common payment methods include T/T, PayPal, Western Union and L/C. The applicable payment schedule and channel are confirmed during quotation and order review.
Yes. PPAP Level 3 documentation can be provided when it is included in the agreed quotation and quality-documentation scope. Tell us your PPAP requirements during RFQ review so the document package can be quoted correctly.
Our quotation is based on the specified material, manufacturing route, labor, tooling, surface finish, inspection scope and required documentation. We prioritize traceable materials, controlled production and verified quality rather than reducing price through unapproved substitutions or omitted inspection. The objective is a competitive total manufacturing cost with lower quality and delivery risk.
We do not set a general minimum order quantity. Suitable custom sheet metal projects may begin with a small number of prototypes or validation parts and later transition to low-volume or repeat production. Feasibility and pricing still depend on tooling, material, setup and process requirements.
Before production, we review material availability, tooling, process sequence, inspection scope and required finishing, then establish a project-specific production plan. Progress is monitored against key milestones, and capacity or scheduling risks are escalated when identified. Delivery commitments remain subject to approved requirements and force-majeure events.
Looking for a reliable custom panel enclosure fabrication companies?
Talk To Supro MFG Expert Team
Contact us for competitive ex-factory prices,
and a full range of technical support services.