Custom Sheet Metal Fabrication | EV&ESS Enclosures

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Custom Sheet Metal Enclosures & Parts

Oem Custom Small Processing Services Hardware Sheet Metal Bending Stamping Parts

Have you ever struggled to find a non-standard connector or a bracket with a specific angle? We specialize in the production and processing of customized sheet metal components. Simply provide your design drawings or requirements, and we'll swiftly deliver a one-stop solution—from material selection and process optimization to mass production. Our goal is to help you streamline your supply chain, reduce procurement costs, and ensure every small part perfectly aligns with your design, accelerating your product's time to market.

24 27 32 Inch Touch Screen Self Ordering Kiosk Enclosure in Restaurant

The casing manufacturing process for self-service ordering kiosks integrates a series of precision industrial techniques, with the core objective of achieving a harmonious blend of rugged durability, visual appeal, and user-friendly tactile experience.

Custom Drinks and Snacks Vending Machine Enclosure

The Custom Automatic Distributor Vending Machine is a fully automatic, free-standing machine designed for public areas, offering versatile payment methods including coin, bill, card, and QR code. It features a 7-inch touchscreen, supports 36 types of products, and is made of durable metal steel. Equipped with advanced security features like cashless payment and anti-theft locks, it ensures reliable performance. Certifications include EMC, LVD, RoHS, and EPR_Germany_Packing, ensuring compliance with EU safety standards and enhancing market access.

OEMODM 32inch Payment Kiosk Self Ordering Kiosk in Hospital Cash Pos Order Number Wall-mounting Information Kiosk (2)

OEM/ODM 32inch in Hospital Cash Pos Wall-mounting Information Kiosk Enclosure

Cold-rolled steel material of the cabinet, the internalrational structure, special anti-rust treatment, the appearance of paint using a special process.Support reading bank/medical card/membership card/contactless card/social security card/second-generation card; receipt printing, card issuance, password input; report printing; one-dimensional/two-dimensional recognizer; face recognition/face payment/ Video recording; timer switch, flashing light prompt.

Latest Liftable Smart School Classroom Podium Enclosure

This 23.8-inch latest model of liftable smart podium for teaching equipment housing is designed with a deep blend of ergonomic concepts, modern aesthetics and rugged functionality, aiming to provide teachers and students with a safe, comfortable and efficient teaching and learning interactive experience.

Design Outdoor Large size with IP 65 Waterproof Touch Display Advertise Enclosure

Crafted with precision to withstand the harshest outdoor conditions, this rugged outdoor waterproof digital signage enclosure stands as the most reliable guardian for your digital advertising content. Combining robust protection, efficient heat dissipation, and aesthetic design, it ensures your advertising equipment operates reliably in any weather, continuously delivering captivating visuals.

Custom Multiple sizes Floor-standing/ Wall-mounted Touch Payment Kiosk Enclosure

The housing of this self-service touchscreen checkout terminal represents a perfect fusion of functionalism and modern industrial aesthetics. Its design language is cool and professional, engineered to execute every transaction efficiently and reliably.

32 43 49 55 65 Inch Capacitive Touch Screen LCD Interactive Kiosk Floor Stand Signage Windows All in One Machine

55-inch Windows Computer Kiosk with Full HD resolution (1920x1080), ultra-wide 178° viewing angle, and precise infrared touch technology. Features a robust design with tempered glass, aluminum alloy, and anti-glare coating for durability. Supports multiple systems (Windows, Android) and customization options (OEM ODM). Includes broadcast software for remote display management.

Design – DFM & Custom Enclosure Engineering

Our engineering team provides professional, efficient and experienced design support and DFM review for your custom sheet metal enclosures and metal cabinets. We help optimize structure, material and cost with precision and expertise, so your kiosk, power cabinet or display housing is safe, stable, durable and easy to assemble.
Cutting – Precise Sheet Metal Processing

We use high-precision shearing, CNC punching, and laser cutting to process sheet metal to exact specifications, delivering precise, accurate cuts that ensure tight tolerances for electrical cabinets, EV chargers, battery boxes, and custom enclosures, backed by our professional, experienced engineering team with advanced equipment and strict quality control to guarantee consistent, reliable results.
Bending – Precision Forming for Cabinets & Enclosures

Our professional team leverages CNC press brakes to deliver precise bending, ensuring consistent accuracy that meets the strict demands of power and new energy projects. Backed by advanced technologies and strict quality control, we provide tailored, high-reliability solutions—fully demonstrating our professional capabilities in custom sheet metal manufacturing, with uncompromising precision and industry-leading expertise.
Forming – Precision Forming, Stable Structure, Perfect Fit

Our advanced sheet metal forming ensures ultra precision, consistent sizing and seamless fitting.
Robust structural stability perfectly fits EV chargers, energy storage cabinets and smart kiosk enclosures, delivering durable performance under strict professional quality control standards.
Welding – Robust Seam Welding & Flawless Metal Joining

With decades of welding expertise in MIG, TIG and spot welding, we fabricate metal enclosures and kiosk bodies from sheet metal parts.
Our skilled welders create robust, tight joints with smooth, particle-free seams.
Premium welding reinforces structural integrity, boosting safety and aesthetics for electrical, energy storage and display enclosures.
Electrostatic Powder Coating – Superior Coating, Corrosion Proof & Perfect Surface

Our premium electrostatic powder coating delivers superior corrosion resistance, weather durability and flawless surface finish. It ensures uniform coverage, strong adhesion and long-lasting protection for all metal enclosures, cabinets and outdoor sheet metal assemblies under strict industrial quality standards.
Assembly – Precise Assembly, Perfect Fit & Reliable Quality

Our professional sheet metal assembly follows strict industrial standards with precise fitting and rigorous quality inspection. We integrate structural parts perfectly to deliver stable, ready-to-install enclosures for new energy, power and smart terminal applications.

About Us

Why Choose Us?

定制钣金外壳制造商 — 三骏五金

三骏五金成立于2010年，是一家位于中国的专业OEM/ODM钣金加工及定制外壳制造商。我们拥有5000平方米的工厂，专注于为全球客户提供高精度定制钣金解决方案。

1、核心专长

我们专营以下产品的定制钣金外壳：

展示设备和自助服务终端
教育终端和医疗设备
配电及充电柜
自动化设备外壳和储能系统

我们可将您的 CAD 图纸转化为可直接投入生产的可靠钣金产品和机柜。

2、一站式钣金服务

具备全部内部能力：

设计和DFM支持
数控冲压、激光切割、数控折弯
TIG/MIG焊接，自动铆接
表面处理和整套组装

提供可直接安装的外壳和钣金件。

3、设备及生产能力

50名技术工人 + 专业工程团队
先进设备：AMADA数控冲床/折弯机、激光切割机、自动铆接机
支持：单件订单 + 批量生产
严格的质量和准时交付控制

4、质量与竞争优势

通过ISO 9001:2008 (GB/T19001‑2008)认证
每年将10%的利润再投资于研发和工艺优化。
核心优势：质量稳定、价格有竞争力、交货周期短
值得信赖的长期供应商，服务于显示器、自助服务终端、电力和新能源客户。

Our advantages:

No mold required, 1PC MOQ, custom available.
24H DFM Quote, Fast Response & Sampling

Qualified with ISO9001, EMC, LVD & RoHS standards
Military-grade quality, affordable price

Get a Quote

+86 13530826471

Precision & Dimensional Consistency

Tight tolerance guaranteed. Consistent dimension in mass production for perfect seamless assembly.

One-Stop Full Process Fabrication

In-house full service from design, laser cutting, bending, welding to coating and final assembly.

Stable Quality & On-Time Delivery

Certified stable quality with strict production control. Punctual delivery for long-term reliable cooperation.

1. Upload CAD Files

Select your manufacturing process and upload 3D CAD files/drawings for custom sheet metal enclosures, cabinets or parts, including material, thickness and quantity.

2. Get DFM Review & Quote

Within 24 hours you receive a design‑for‑manufacturability check plus a detailed quotation with pricing and lead time for your sheet metal parts.

3. Manufacturing Starts

After approval, CNC punching, laser cutting, bending, welding, finishing and assembly are carried out in‑house according to your CAD and BOM.

4. Quality Check & Shipping

All parts and enclosures pass inspection, are securely packed, and shipped on time so they arrive ready for installation.

Latest News

钣金和定制外壳的见解

One-Stop Shop for Sheet Metal and Assembly is Safer for Your Business

Secure Your Supply Chain with One-Stop Sheet Metal Assembly

Mitigate B2B risks with San Jun Hardware. We offer integrated DFM, precision sheet metal fabrication, and IP65 assembly for display, energy, and medical sectors.

Benefits of Modular Sheet Metal Frames for Containerized Battery Systems

Scaling Up: Modular Sheet Metal for Scalable Battery Storage

Maximize BESS ROI with San Jun Hardware’s modular sheet metal frames. Explore precision CNC enclosures designed for thermal efficiency and rapid scalability.

Precision-engineered, durable enclosures for reliable outdoor digital signage

Top Factors for Custom LCD Display & Electronic Enclosures

San Jun Hardware provides custom LCD displays and IP65/IP66 kiosk enclosures using precision metal fabrication to ensure outdoor durability and thermal safety.

Precise, durable OEM sheet metal solutions for industrial needs

Custom Enclosures for Smart Classrooms: A Guide to OEM Success

San Jun Hardware provides precision OEM sheet metal fabrication for custom enclosures and digital signage, offering durable, safe, and heat-managed school solutions.

What Factors Influence the Final Price of Your Sheet Metal Project

Master Sheet Metal Quotes: Save Costs with San Jun Hardware

Sheet Metal Enclosures for Global EV Charging Infrastructure

Metal vs. Plastic: Why Steel Wins in EV Charger Enclosures

Frequently Asked Questions - Custom Sheet Metal Services

Yes. We support 1PC MOQ, no mold tooling required. All custom sheet metal enclosures can be produced directly per your design.

Absolutely. We customize strictly based on your CAD drawings, design files or physical samples for EV charging and ESS enclosures.

We provide 24H DFM drawing review and formal quote after receiving your technical requirements.

Yes. We offer fast prototype sampling according to your drawings, helping you verify structure and size before bulk order.

Our products pass ISO9001, EMC, LVD and RoHS, fully compliant for new energy charging and energy storage projects.

We have in-house full-process production with strict schedule control. Stable quality and on-time delivery for long-term global cooperation.

We process a full range of standard and high-performance sheet metal materials, including stainless steel (304/316), aluminum (5052/6061), cold/hot rolled steel, galvanized steel, brass and copper. We can also source special materials according to your project requirements.

Our standard machining tolerance is ±0.1mm for laser cutting and bending. For high-precision parts, we can reach ±0.05mm based on material thickness and part structure. All dimensions are 100% inspected before delivery to meet your requirements.

Yes, we provide one-stop full surface treatment services, including powder coating, painting, anodizing, sandblasting, brushing, electroplating, passivation, polishing and heat treatment. We can customize colors and effects according to your design.

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.

25+

Years Experience

5000+

Square Meter Factory

50+

Cooperative brands

2000+

Types of accessories

Testimonials

What Our Clients Say

来自全球客户对定制钣金外壳和一站式加工服务的真实反馈。

"±0.01mm positional accuracy for all interface cutouts. 470 units delivered 3 days early with zero defects. Unmatched precision for our 5G power modules."

Olivia

Chief Procurement Officer, Telecom Systems GmbH

"Sanjun delivered 300 wall-mounted server chassis 4 days early with 100% quality pass rate. Their hybrid ventilation design solved our 24/7 overheating issue, and reinforced structure increased load capacity by 30%. After 6 months of flawless operation, we signed a 3-year exclusive agreement. They are our most reliable sheet metal partner."

Darlene Robertson

Engineering Director, DataEdge Solutions (USA)

"Sanjun solved our toughest challenges: ±0.01mm multi-interface alignment, slim design with 20% enhanced strength, and consistent quality across 800 units. Delivered 4 days early with 100% pass rate. We signed a 2-year exclusive agreement."

Chloe

Product Manager, ProAV Solutions (Australia)

"Sanjun solved all our core challenges: 3.4cm ultra-slim design with 22% higher rigidity, ±0.01mm interface alignment, zero color difference across 1,000 units, and efficient honeycomb cooling. Delivered 5 days early with 100% pass rate. We signed a 3-year exclusive agreement."

Ethan

General Manager, Smart Electronics (Singapore)

"Sanjun solved all our critical challenges: 4.5cm slim rack design with 25% enhanced rigidity, ±0.01mm complex interface alignment, zero color difference across 190 units, and efficient honeycomb cooling. Delivered 2 days early with 100% pass rate. We signed a 2-year exclusive agreement."

David Miller

Technical Director, ProAV Media (Germany)

Fast, professional and high quality. Looking forward to long term business. Thank you!

Lucas

consumer

I am very happy with the product I received. it was exactly as described and very well manufactured. Will do business again.

Eli

consumer

I'd like to thank you and the team at Sanjun for delivering a nicely product to us and on time. We are very pleased with the product and you will get our future business.

Tom

consumer

Sanjun is professional, making sample and mass production cargo Quality is very good! Smooth finish, no scratches. Good packing, no damage during shipment. I'll come back to order again.

Mia

consumer

Sunjun is professional, making sample and mass production cargo Quality is very good! Smooth finish, no scratches. Good packing, no damage during shipment. I'll come back to order again.

Darlene Robertson

consumer

Contact Info

Home

Clients We've Served

Latest Products

Custom Sheet Metal Enclosures & Parts

Production Process – One‑Stop Sheet Metal Fabrication

Design – DFM & Custom Enclosure Engineering

Cutting – Precise Sheet Metal Processing

Bending – Precision Forming for Cabinets & Enclosures

Forming – Precision Forming, Stable Structure, Perfect Fit

Welding – Robust Seam Welding & Flawless Metal Joining

Electrostatic Powder Coating – Superior Coating, Corrosion Proof & Perfect Surface

Assembly – Precise Assembly, Perfect Fit & Reliable Quality

About Us

Why Choose Us?

2、一站式钣金服务

3、设备及生产能力

4、质量与竞争优势

Precision & Dimensional Consistency

One-Stop Full Process Fabrication

Stable Quality & On-Time Delivery

Dongguan Sanjun Hardware & Electrical Co., Ltd.

Drop Your Message

1. Upload CAD Files

2. Get DFM Review & Quote

3. Manufacturing Starts

4. Quality Check & Shipping

Latest News

钣金和定制外壳的见解

FAQ

Frequently Asked Questions - Custom Sheet Metal Services

1、Can I order 1 piece without opening a new mold?

2、Do you accept custom sheet metal work from my own drawings?

3、How soon can I get DFM review and quotation?

4、Can you make prototypes before mass production?

5、What certifications do your sheet metal products support?

6、What about production lead time and delivery reliability?

7、What materials can you process for sheet metal fabrication?

8、What’s your tolerance for precision sheet metal parts?

9、Do you provide surface treatment services?

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

Latest Case

Sheet Metal Case Studies | Custom Enclosure Projects

25+

5000+

50+

2000+

Testimonials

What Our Clients Say

Olivia

Darlene Robertson

Chloe

Ethan

David Miller

Lucas

Eli

Tom

Mia

Darlene Robertson