Custom Sheet Metal Enclosures

From rapid prototype validation to full-volume production, we manufacture custom sheet metal enclosures designed to fit your internal electronics perfectly. Certified to ISO 9001:2015, RoHS, and REACH standards, our housings eliminate late-stage modifications, reduce assembly time, and guarantee ready-to-integrate delivery.

Wall Mount Sheet Metal Cabinet
Wall Mount Sheet Metal Cabinets provide a compact, secure enclosure for electrical components, control systems, terminal blocks, power supplies, automation devices, and industrial electronics.
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Custom IP65 Waterproof Metal Box
Custom IP65 waterproof metal boxes provide reliable protection against dust and water for electrical and electronic equipment. Designed precisely around your components, cable routing, and...
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Stainless Steel Electronics Junction Box
Engineered Stainless Steel Junction Boxes are designed to protect electrical connections, terminal blocks, sensors, controllers, and sensitive electronic modules from severe moisture, dust,...
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Powder Coated Aluminum Equipment Enclosure
Powder coated aluminum equipment enclosures deliver robust protection for electrical, electronic, and mechanical systems operating under demanding conditions. Combining corrosion-resistant...
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Heavy Duty Sheet Metal Control Box
Heavy-duty sheet metal control boxes are designed to protect electrical systems, automation controls, power distribution components, and sensitive electronics operating in demanding industrial...
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Custom Outdoor Electrical Enclosure
Outdoor electrical equipment requires uncompromised protection against rain, dust, moisture, UV radiation, extreme temperatures, and corrosive environments. Standard off-the-shelf cabinets often...
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Technical Specifications & Manufacturing Capabilities

Process	Compatible Materials	Standard Tolerances	Maximum Capacity / Specification
Laser Cutting	Stainless Steel, Carbon Steel, Aluminum, Brass	+/- 0.1 mm (+/- 0.004 in)	Max Sheet Size: 3000 x 1500 mm Thickness up to 20 mm
CNC Bending	Aluminum (5052/6061), Steel, Stainless Steel	+/- 0.2 mm (+/- 0.5 deg angle)	220-Ton CNC Press Brake Length up to 3000 mm
TIG / MIG Welding	Stainless Steel (304/316), Carbon Steel, Aluminum	ISO 5817 Quality Level C	Robotic & Manual Welding with watertight seal capabilities
PEM Hardware	Studs, Nuts, Standoffs, Fasteners	+/- 0.1 mm positioning	Automated Insertion Machines for high repeatability
Surface Finishing	Powder Coating, Anodizing, Zinc Plating	ASTM / ISO Standards	Up to 1,000-Hour Salt Spray Test IP65 / IP66 / NEMA 4X Ratings

Powder Coated Aluminum Equipment Enclosure

Integrated Enclosure Features

Custom Dimensions & Wall Thickness: Tailored specifically for optimal heat dissipation and weight targets.

Precision Cutouts: Designed for interface connectors, cable glands, touchscreens, switches, and fans.

Internal Structural Support: Welded brackets, DIN rails, and component mounting plates.

PEM Fasteners: Pre-installed nuts, standoffs, and studs to speed up final assembly.

Sealing & Protection: Custom gasket channels achieving NEMA 4X, IP65, or IP66 ingress protection.

Surface Branding: Durable silkscreening, high-resolution laser engraving, and custom RAL powder colors.

Material Selection Guide

Aluminum (5052-H32 / 6061-T6)

Ideal for lightweight electronics, telecom chassis, and medical hardware requiring high strength-to-weight ratios and natural corrosion resistance.

Stainless Steel (SUS 304 / 316L)

Superior choice for food processing, marine, outdoor, and medical environments where harsh chemical exposure and heavy moisture are present.

Stainless Steel Electronics Junction Box

Carbon Steel (SPCC / SECC)

Cost-effective solution for indoor industrial control panels, server racks, and power distribution units needing robust structural support.

Galvanized Sheet (SGCC)

Provides economical rust resistance for HVAC equipment, internal structural brackets, and semi-outdoor housings.

Comprehensive DFM Engineering Review

Bend Relief & Radius Alignment

Checking hole-to-bend distance to avoid material tearing or ovality during forming.

Thermal Distortion Control

Optimizing joint design and heat-sink tooling during welding to keep multi-panel enclosures perfectly square.

Coating Layer Allowance

Factoring powder coating thickness (60 to 100 microns) into mounting hole tolerances to guarantee seamless fastener fit.

Grounding Continuity

Specifying masked grounding studs and unpainted contact pads before coating to ensure electrical safety.

Quality Assurance & Inspection Process

Raw Material Verification: Material Test Reports (MTR) and mill certificates for chemical/mechanical compliance.

First Article Inspection (FAI): 100% dimensional check on the first piece from the production line.

In-Process Quality Control (IPQC): Weld integrity checks, bend angle verification, and hardware torque tests.

Final Surface & Coating Inspection: Adhesion cross-hatch testing, color matching, and salt-spray validation.

Pre-Shipment Verification: Assembly test-fit with customer components or dummy panels prior to packaging.

Request a Quote (What to Send Us)

To receive a formal quote and complimentary DFM analysis within 24 Hours, please provide:

3D CAD Model	STEP, STP, or IGES format.
2D Engineering Drawing	PDF, DWG, or DXF with critical tolerances and dimensions.
Material & Surface Finish	Material grade, thickness, RAL color code, and surface plating specs.
Hardware Requirements	PEM part numbers or thread specifications.
Order Quantity	Prototype quantity and expected annual production volume.

FAQ

Q: Can custom sheet metal enclosures be manufactured from our drawings?

A: Yes. Enclosures can be manufactured according to 2D drawings, 3D CAD files, samples, or defined product requirements. The supplied information is reviewed before production to determine the appropriate fabrication route.

Q: What materials can be used for custom sheet metal enclosures?

A: Common options include carbon steel, stainless steel, aluminum, galvanized sheet, brass, and copper. The appropriate material depends on structural requirements, weight, corrosion exposure, electrical properties, surface finish, and application conditions.

Q: Can mounting holes and connector cutouts be customized?

A: Yes. Mounting holes, connector openings, cable cutouts, display openings, ventilation areas, and other features can be incorporated into the enclosure drawing according to the equipment layout.

Q: Can PEM nuts, studs, and standoffs be installed?

A: Yes. PEM nuts, studs, standoffs, and other specified hardware can be installed where required for internal component mounting and assembly.

Q: Can a prototype be produced before the production order?

A: Yes. A prototype or first sample can be used to verify dimensions, component fit, mounting locations, connector access, cover alignment, and appearance before production quantities are released.

Q: What surface finishes are available?

A: Depending on the material and project requirements, options can include powder coating, anodizing, zinc plating, silkscreen printing, and laser engraving.

Q: Can custom enclosures be supplied with assembly?

A: Assembly can be included when required by the project. The scope can include hardware installation and other specified enclosure assembly operations.

Q: What information is required for a quotation?

A: A 2D drawing or 3D CAD file, material, thickness, quantity, surface finish, tolerances, hardware requirements, and inspection requirements provide the most useful information for quotation and engineering review.

We're well-known as one of the leading custom sheet metal enclosures manufacturers and suppliers in China. If you are going to wholesale customized custom sheet metal enclosures at competitive price, welcome to get more information from our factory.