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Custom Sheet Metal Enclosures for Power Supply and Control Units

Plan the Housing Around Your Power Components

Hongming Sheng fabricates custom sheet metal enclosures for power supplies, control units and battery modules. We work from your drawings to coordinate component space, cable access, ventilation and mounting features in one practical housing layout.

Power & Control Housing Samples

Sheet metal power supply box with multiple connector slots Two-tone metal case for control systems Black power box with precision punched ventilation Ventilated housing for industrial power module

Specify the Fit, Access and Installation

Airflow Ventilation slots positioned around the component layout and intended cooling method.
Cable Entries Knockouts or pre-cut openings sized for your cables and connector interfaces.
Installation DIN rail, wall-mount or panel-mount features matched to the installation drawing.
Internal Supports Mounting points and support structures for PCBs, transformers or battery modules.

Select the Material and Visible Finish

Material Options

SPCC steel, galvanized steel or aluminum, selected to suit the enclosure structure and operating environment.

Finish & Markings

Powder coating in industrial gray, black or a specified color. Silk screen or laser markings for logos, labels and warnings.

Surface texture, scratch resistance and fingerprint appearance can be reviewed against your finish requirements.

Move from Samples to Repeat Orders

Validate component fit and assembly on a prototype before confirming the production design. Agreed drawings and finish samples provide a common reference for repeat orders, from development batches to volume production.

Send the Layout for Engineering Review

Include your CAD files or dimensioned drawings, component layout, material, finish, quantity and target delivery date. Our team will review the enclosure details and provide manufacturing feedback and a quotation.

Email: info@hms1688.com

Send Drawings & Get a Quote

Explore More Enclosure Services

Confidential Project Support: Customer drawings, CAD files and project details are handled confidentially. NDA agreements are available for custom OEM projects.

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Our email: info@hms1688.com

Contact us and just send us your drawing (SolidWorks,ProE,CAD,PDF,DXF...)

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