Custom Precision Sheet Metal Vent Exhaust
CUSTOM-BUILT · MOQ 1 PIECE

Custom Precision Sheet Metal – Electrical Cabinet Supplier | OEM/ODM

Custom sheet metal, not off-the-shelf — built around your exact requirements.

  • Your RequirementsShare drawings, specs or hand sketches
  • Free DFM & CADProduction-ready drawings at no cost
  • Rapid PrototypingFirst sample ships in 7–10 days
  1. SanJun Hardware manufactures custom precision ventilation
  2. We fix common manufacturing defects like uneven airflow
  3. Multiple metal materials and anti-corrosion surface
  • ✓ Free CAD design
  • ✓ IP54–IP55
  • ✓ ±0.1 mm tolerance
  • ✓ ISO 9001 factory
  • ✓ Quote in 24h

You Buy Manufacturing Capability, Not A Fixed Product

Every cabinet on this page was built for a specific project. Your dimensions, materials, protection grade, door layout and cable entries are all decided by you — we handle structure design, process planning, fabrication and testing. This page shows what we have done and what we can do for your project.

  • SPCC cold-rolled steel, 1.2–2.0mm thick
  • IP54–IP65 protection, salt-spray tested
  • Precision CNC bending, ±0.1mm tolerance
  • Full welding + powder coating finish
  • In-house tooling & stamping capability
  • One-stop: design → fabrication → assembly

产品概述

产品概述

三骏五金为智能设备控制柜通风模块定制排气口金属外壳,有效解决电气自动化柜过热和通风不良的问题。优化的内部气流结构兼顾高效散热、防尘和结构稳定性,适用于新能源、消防监控设备。

Custom Precision Sheet Metal – Electrical Cabinet Supplier | OEM/ODM插图

核心优势及已解决的行业难题

  1. 免费定制绘图设计(核心优势)

    您只需提供设备尺寸、通风量和安装要求。我们的工程师将免费为您完成 CAD 和 DFM 优化图纸,无需您自行绘制草图,从而缩短您的研发周期并降低成本。

  2. 克服主要处理痛点
  • 定制百叶窗布局,实现均匀排气并消除局部过热
  • 激光切割和弯曲精度为±0.1mm,以避免装配错位
  • 采用加强筋结构防止薄金属壳在长时间振动下发生变形
  • 适用于潮湿、腐蚀性户外工作环境的多重防锈表面处理
  • 完全非标尺寸、通风口位置和安装支架均可定制

一站式钣金加工

所有工序均在我厂完成:激光切割、数控百叶窗冲孔、折弯、焊接、表面涂层、标识印刷。材料:冷轧钢、镀锌钢、304/316不锈钢、铝合金。表面处理方式:粉末喷涂、拉丝、阳极氧化、钝化。

应用场景

工业自动化控制箱、消防通风柜、新能源设备机箱、通信通风柜、暖通空调通风模块、配电控制箱。

工厂保修

通过ISO9001认证,发货前进行全面尺寸和盐雾检验。支持小批量试制原型和大批量OEM/ODM订单。

😩 Typical Buyer Pain Points

  • Suppliers cannot hold tight tolerances on complex parts
  • Burrs and sharp edges requiring costly rework
  • Inconsistent quality between prototype and production
  • Long lead times blocking your assembly line
  • High tooling costs for low-volume parts
  • Poor communication when drawings need adjustment

✅ How SanJun Solves Them

  • ±0.1 mm standard, ±0.05 mm ultra-precision available
  • Full deburring and edge-finishing as standard
  • Prototype-to-production consistency with in-process QC
  • Prototype in 7–10 days, production 15–25 days
  • No tooling cost for laser-cut and CNC-bent parts
  • Direct engineer contact, fast DFM feedback on your drawings
★ Our Core Advantage

Free Production-Ready CAD Design

No drawings? No problem. Send your power module specs — our engineers deliver manufacturable CAD drawings free of charge, saving you $500+ in third-party design fees and weeks of engineering time.

Get My Free CAD Design
CAD FREE
MOQ 1Piece — Prototype Friendly
±0.1mmStandard Tolerance
7–10Days to First Prototype
iso 9001标准Certified Factory Direct

What You Can Customize

Dimensions & Layout

Fully custom sizes matched to your power module, battery bank and maintenance clearance.

🧱Material & Thickness

SPCC, SGCC galvanized, SUS304 or Aluminum 5052; 1.0–3.0 mm per load and budget.

💧Protection Grade

IP54–IP55 sealing packages; upgraded gaskets and glands for harsher environments.

🚪Door & Access

Single / double / front-access / rear-access doors with custom locks and hinges.

🔌Cable Entry

Bottom or side entries, sealed gland positions and sizes to your wiring plan.

🌡️Thermal System

Vents, fans, heat exchangers or AC integration — engineered to your heat load.

Manufacturing Capability & Specifications

Custom Chassis & Precision Structural Parts — Capability Range
材质选项SPCC / SGCC galvanized steel / SUS304 stainless steel / Aluminum 5052 / 6063
Thickness Range0.8 – 3.0 mm (per part function and load)
Protection GradeIP54 – IP65 (for protection boxes & outdoor housings)
表面处理Powder coating / anodizing / brushed / zinc plating
Tolerance±0.1 mm standard; ±0.05 mm ultra-precision optional
ProcessesLaser cutting, CNC punching, CNC bending, tapping, riveting
焊接Spot welding / argon-arc / full-seam laser welding
装配Hardware insertion, sub-assembly, wiring harness support
Finish OptionsDeburring, grinding, silk-screen, laser marking
PackagingExport-grade plywood case with anti-rust film

* All parameters are adjustable to your project. Contact us for a tailored engineering proposal.

How We Work With You — From RFQ to Delivery

Step 1 · 24hSend Requirements

Dimensions, module layout, or even a hand sketch — any format works.

Step 2 · FreeEngineering Review

Our engineers review manufacturability and propose structure optimizations.

Step 3 · FreeCAD Design

Production-ready drawings delivered for your confirmation. Unlimited revision until approved.

Step 4 · 7–10d原型

First article produced with full QC report and photos for your approval.

Step 5 · 15–25d大规模生产

Batch fabrication with in-process inspection at every critical step.

Step 6Delivery & Support

Export plywood packing, FOB/CIF/DDP shipping, 12–24 months warranty.

Quality Control Before Every Shipment

Quality inspection reports and photos are provided with each order, so you can confirm workmanship before the goods leave our factory. Third-party inspection (SGS / TÜV / BV) is welcome.

Request QC Report Sample

Pricing & Trade Terms — No Surprises

Quotation within 24 hours

Send specs → factory-direct quote in one business day. Volume pricing: unit cost typically drops 30–50% at 100+ pcs.

💳Payment

T/T 30% deposit, 70% balance before shipment. Sample orders and long-term partners: flexible terms available.

🚢Shipping

FOB, CIF and DDP supported. Export-grade plywood case with anti-rust film as standard.

🛡Warranty

12–24 months against manufacturing defects. Responsive after-sales with replacement parts support.

Proven in the Field

SanJun Hardware supplies custom chassis and precision structural parts to industrial equipment makers, automation integrators and electronics manufacturers worldwide. Global OEMs trust us with their production parts — most started with a prototype batch and scaled to ongoing supply.

2,500+Precision parts & chassis delivered worldwide
±0.05mmUltra-precision tolerance capability
100+Custom projects completed per year

常见问题

What is the minimum order quantity?
MOQ is 1 piece. We welcome prototype and small-batch orders so you can validate the design before scaling up.
Can you design the cabinet if we don't have drawings?
Yes. Free production-ready CAD drawing design is our core service. Provide your power module dimensions, weight and layout requirements, and our engineers will produce manufacturable drawings for your confirmation.
What drawing formats do you accept?
We accept STEP, IGS, DWG, DXF and PDF sketches. Even a hand sketch with key dimensions is enough to start.
How do you quote? What are the payment terms?
Factory-direct quotation within 24 hours of receiving your requirements. Payment by T/T (30% deposit, 70% before shipment). FOB, CIF and DDP shipping terms supported.
What is the typical lead time?
Samples take 7–10 days; mass production takes 15–25 days depending on quantity and surface treatment requirements.
Can the cabinet achieve IP55 or higher protection?
Yes. Our standard sealing design reaches IP54–IP55, and we can upgrade gaskets, cable glands and door structures for harsher environments.
Do you ship internationally?
Yes, we export worldwide with export-grade plywood packaging, and we support FOB, CIF and DDP shipping terms.

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Start Your Custom Project Today

Send your power module specifications — free CAD design and factory-direct quotation within 24 hours.

Get Free Design & Quote
Reply within 24h MOQ 1 piece NDA on request 12–24 months warranty
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