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SANSTEED
Precision Sheet Metal Solutions

Custom Sheet Metal Enclosure Manufacturer in China

We provide custom sheet metal enclosures, metal housings, sheet metal boxes, and industrial equipment shells with precision fabrication, surface finishing, and assembly support.

Custom Metal Enclosures
Precision Sheet Metal Fabrication
OEM & ODM Manufacturing
Small Batch to Mass Production
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ISO Certified Factory

ISO certified manufacturing plant with strict quality management system.

Custom Drawings Accepted

Custom OEM & ODM designs are welcome based on your CAD drawings.

Laser Cutting & Bending

Precision laser cutting and CNC bending for tight-tolerance sheet metal parts.

Welding & Powder Coating

Professional welding and electrostatic powder coating for durable & anti-rust finish.

Fast Sampling

Quick prototype sampling and fast turnaround for custom sheet metal projects.

About Us

Your Reliable Sheet Metal Fabrication Partner

We are a professional sheet metal fabrication manufacturer in China with over 10+ years of experience. We provide one-stop manufacturing services including laser cutting, CNC punching, bending, welding, powder coating and assembly.

With advanced equipment, skilled team and strict quality control, we deliver cost-effective solutions and high-quality products for customers worldwide.

50+

Skilled Employees

5,000+ ㎡

Factory Area

10+ Years

Industry Experience

100+

Export Countries

sanjun-factory20260515

Custom sheet metal enclosure fabrication with comprehensive craftsmanship strengths

Design

Professional DFM & Enclosure Design

Professional DFM enclosure design optimizes structure, cost and materials for robust, economical metal housings.

Cutting

Precision Sheet Metal Cutting

High-precision laser/CNC cutting, strict tight tolerances for sturdy EV chargers, battery boxes & custom enclosures.

Bending

CNC Precision Bending

High-precision CNC press brake bending, superior accuracy for robust power & new energy enclosures.

Forming

Advanced Sheet Metal Forming

Ultra-precision forming, rigid stable structure, perfect seamless fit for energy storage & smart kiosks.

Welding

Professional Metal Welding

MIG/TIG/spot welding, sturdy smooth seams, solid high structural integrity for durable enclosures.

Finishing

Premium Powder Coating

Multiple surface finishes ensure superior durability, corrosion and weather resistance for outdoor use.

Assembly

Precise Full Assembly

Strict standard assembly, thorough rigorous inspection, fully ready-to-install for new energy applications.

Custom Sheet Metal Enclosures & Housings We Manufacture

New Energy Charging Enclosures-landing

New Energy Charging Enclosures

Durable outdoor housings, weather-resistant, easy wiring, fast installation and high precision.

Energy Storage & Power Cabinets

Energy Storage & Power Cabinets

High safety & heat dissipation, stable for long-term system operation with strong durability.

Self-service Book Lending & Return Cabinet

Self-service Book Lending & Return Cabinet

Sturdy anti-damage build, weather resistant, precise fabrication, flexible custom size, stable long-term operation.

Outdoor Security & Municipal Cabinets

Outdoor Security & Municipal Cabinets

IP-grade protection, anti-corrosion, long service life outdoors with dustproof function.

Custom Sheet Metal Fabrication

Custom Sheet Metal Fabrication

One-stop customization, cost-effective, fast delivery & full professional technical support.

Industrial Display Enclosures

Industrial Display Enclosures

Multi-size optional, IP65 protected, sturdy, scratch-resistant & widely applicable.

32-inch Hospital Cash Payment Kiosk Enclosure

32-inch Hospital Cash Payment Kiosk Enclosure

Adopts cold-rolled steel with reasonable internal layout and professional anti-rust coating. Supports multi-card reading, receipt printing, password entry, barcode & QR code scanning, facial payment and video recording, equipped with timing switch and indicator light reminder.

Liftable Smart Classroom Podium Enclosure

Liftable Smart Classroom Podium Enclosure

This 23.8-inch liftable smart teaching podium shell integrates ergonomic design, modern appearance and solid structure, delivering safe, comfortable and efficient teaching experience.

Custom Drinks and Snacks Vending Machine Enclosure

Custom Drinks and Snacks Vending Machine Enclosure

Freestanding metal vending machine with 7-inch touch screen. Multi payment options, 36-item capacity, anti-theft protection. Compliant with EU EMC, LVD, RoHS certifications.

Custom Floor & Wall Touch Payment Kiosk Enclosure

Custom Floor & Wall Touch Payment Kiosk Enclosure

Self-service checkout kiosk shell blends practicality and industrial aesthetics for stable, efficient transactions.

Outdoor IP65 Waterproof Large Touch Display Kiosk Enclosure

Outdoor IP65 Waterproof Large Touch Display Kiosk Enclosure

Rugged IP65 outdoor digital signage enclosure, built for harsh conditions with reliable heat dissipation, protecting your advertising equipment in all weather.

1U&2U Rack Mount Server Industrial Chassis Custom Fabrication

1U/2U Rack Mount Server Industrial Chassis Custom Fabrication

Professional custom 1U/2U rack-mount server and industrial control chassis. High-precision sheet metal fabrication, durable structure and premium coating. Support OEM & ODM tailored industrial enclosure solutions.

Why Choose Sanjun for Custom Metal Enclosures?

China Source Factory

Direct sheet metal fabrication factory in Dongguan, China, helping customers reduce sourcing cost and improve communication efficiency.

One-Stop Fabrication

From sheet metal design support to cutting, bending, welding, surface finishing, and assembly, we provide complete manufacturing support.

Flexible Customization

We support non-standard customization, prototype samples, small batch production, and mass production.

Industrial-Grade Quality

Precision dimensions, stable structure, corrosion-resistant finish, and strict production control for industrial applications.

Professional Technical Support

Seasoned engineers provide technical consultation and design optimization

Large-scale Production Capacity

Sufficient production lines to meet high-volume order requirements

How Your Custom Sheet Metal Enclosure Is Made?

1.

Drawing / Sample Review

Verify designs and samples to confirm production requirements.

2.

Material Selection

Pick qualified raw materials matching project standards.

3.

Laser Cutting / CNC Punching

High-precision blanking with advanced machining.

4.

Bending & Welding

Shape and joint metal parts with solid craftsmanship.

5.

Surface Finishing

Anti-rust treatment for smooth and durable outlook.

6.

Assembly & Quality Inspection

Complete assembly and strict full-item quality check.

Equipment & Factory Strength

Bending

CNC Press Brake

Ultra-precision bending service, max processing length up to 6000mm, ideal for large-size metal enclosures.

Cutting

Fiber Laser Cutting Machine

High-speed & high-precision fiber laser cutting, supports metal sheets up to 25mm in thickness.

Professional Welding Production Line

Professional Welding Production Line

Full MIG, TIG and spot welding processes, operated by skilled technicians for solid seamless joints.

Finishing

Electrostatic Coating: Corrosion-Proof

Our premium coating, meeting strict standards, offers corrosion resistance, firm adhesion and long-lasting protection.

Industries Served

Industrial Equipment

Medical

Display

Self-service Kiosk

Power & Energy

Education

Frequently Asked Questions - Custom Sheet Metal Services

1、Can you manufacture custom sheet metal enclosures based on drawings?

Yes. We can manufacture custom sheet metal enclosures based on your 2D drawings, 3D files, samples, or detailed requirements.

2、What materials can you process?

We can process stainless steel, carbon steel, galvanized steel, aluminum, and other common sheet metal materials.

3、Do you support small batch production?

Yes. We support orders from 1 piece for prototyping, small batch production, to mass production, fully flexible to meet your project needs at every stage.

4、What surface finishes can you provide?

We can provide powder coating, painting, anodizing, plating, brushing, and other surface treatments based on your application.

5、Can you help with design improvement?

Yes. If your design needs optimization for production, we can provide practical suggestions for structure, material, bending, welding, and assembly.

6、What information is needed for a quotation?

Please provide drawings, material, thickness, quantity, surface finish, tolerance requirements, and application details.

7、What are your typical lead times for prototyping and mass production?

Prototype lead time is typically 5-7 working days, while mass production lead time ranges from 15-30 working days, depending on order complexity and quantity. We will confirm a detailed schedule upon order confirmation.

8、Do you provide quality certificates or third-party inspection reports?

Yes. We provide material certificates, in-house inspection reports, and support third-party inspections (such as SGS) as requested. Our products can also be made to meet CE, RoHS, and UL compliance standards.

10、Can you sign NDA for protecting our design and drawings?

Yes, we always sign NDA (Non-Disclosure Agreement) before receiving any drawings or design details from customers. We strictly protect your intellectual property and keep all your projects confidential.

10、Can you handle international shipping and customs documentation?

Yes. We work with reliable logistics partners to arrange sea, air, or express shipping worldwide, and provide all necessary export documents, including commercial invoices, packing lists, and certificates of origin.

Send Your Drawing for a Fast Quote?

Upload your 2D or 3D drawing, including material, thickness, quantity, surface finish, and application. Our team will help you check manufacturability and provide a quotation.





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    Support: DWG, DXF, STEP, IGES, PDF (Max 10MB)

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