SunJun Hardware Custom Server Chassis Cabinet OEM Sheet Metal, Free Drawing Design – San Jun Hardware

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Multi-Function Control Boxes
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Multi-Function-Control-Boxes (11)
Multi-Function Control Boxes (5)
Multi-Function Control Boxes (4)
Multi-Function Control Boxes
Multi-Function Control Boxes (6)

Precision Server Chassis, Multi-Function Metal Boxes & Control Cabinets OEM Sheet Metal Fabrication for Intelligent Equipment Housings

SunJun Hardware is a professional one-stop sheet metal OEM manufacturer specializing in precision server housings, multi-function electrical boxes, industrial control cabinets and smart device enclosures. Many clients struggle with lacking engineering drawings, high outsourced design fees and unoptimized structures causing production delays & high costs. Our veteran sheet metal engineering team solves all these troubles: we provide 100% free customized structural drawings, full DFM manufacturability analysis and multi-round design revisions purely based on your mounting size, assembly functions, application scenarios and performance demands. No drawing preparation required on your side. We cover the full workflow from concept sketch, dimension drawing, structural verification to final production drawing, cutting your R&D cycle, design outsourcing expense and trial-and-error risks significantly. We own complete laser cutting, CNC bending, robotic welding & surface treatment equipment, deliver tight tolerance precision fabrication, support prototype & mass production with flexible MOQ, serving data center, industrial automation, intelligent control and communication equipment industries globally.

1. Brand Introduction

Founded with abundant sheet metal manufacturing experience, SunJun Hardware focuses on custom OEM sheet metal enclosures for server, industrial control and intelligent electronic equipment. We have served hundreds of global industrial clients, accumulated massive mature project cases of precision server chassis, electrical control boxes and multi-functional metal housings. Equipped with full-automatic precision processing production lines and strict multi-stage QC system, we deliver stable, durable, high-precision metal cabinet solutions with competitive cost performance.

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2. Unmatched Core Advantages (Solve Your Main Pain Points)

✅ Free Full Drawing Design Service, No Drawings Needed From You

You only need to inform us your product installation dimensions, assembly logic, working scenarios and performance standards. Our senior engineering team independently completes sketch drafting, detailed dimension layout, structural rationality inspection and formal production drawing output at zero cost. Multiple rounds of drawing optimization & revision are supported until fully matching your assembly requirements. No extra design outsourcing fees, no self-drawing workload for your R&D team.

✅ Professional DFM Manufacturability Optimization

We conduct full DFM analysis at the design stage, revise unreasonable structures that lead to difficult processing, deformation or high costs, optimize material usage and assembly layout in advance, avoid post-sampling rework and greatly reduce your trial risk & overall production cost.

✅ Full In-House Precision Sheet Metal Fabrication

Full production processes under one roof: laser cutting, CNC bending, precision stamping, robotic MIG/TIG welding, tapping, hardware insertion, polishing, powder coating, anodizing, plating and complete assembly. Tight tolerance ±0.1mm, solid structural reinforcement, good heat dissipation & EMI shielding performance for server chassis.

✅ Flexible Production & Fast Lead Time

Support 1-piece prototype & large batch mass production without high MOQ pressure. 24H DFM review & quotation, sampling within 7 working days, mass production finished in 10–15 days based on quantity.

✅ All-Round Customization Support

Custom size, material (SPCC, SGCC, aluminum, stainless steel), ventilation hole layout, mounting brackets, lock structure, surface color, logo printing and IP protection grade to fit data center, industrial workshop, outdoor intelligent equipment and control room use.

Multi-Function Control Boxes (7)

3. Wide Application Range

Precision server rack chassis, data center storage enclosures, industrial PLC control cabinets, multi-function electrical junction boxes, intelligent automation equipment housings, communication device metal shells, monitoring instrument boxes, power distribution control enclosures and other OEM custom metal boxes.

Multi-Function Control Boxes (8)

4. Quality & Delivery Guarantee

Adopt IQC, PQC, FQC, OQC four-level inspection system, provide dimension test reports before shipment. Various packaging solutions to prevent scratch & deformation during long-distance transportation. Accept EXW, FOB, CIF trade terms, stable delivery schedule to avoid project delay.
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Clients We've Served

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