Why U.S. OEMs and Panel Shops Trust Square Box

20+ Years of Drawing-Based Sheet Metal Fabrication

Our team brings 20+ years of sheet metal fabrication experience for custom electrical enclosures, back panels, sheet metal cabinets and modified boxes. RFQs are reviewed against CAD files, PDF drawings, material, thickness, finish and application notes before quoting.

Experience Serving Overseas Industrial Customers

Serving overseas OEMs, equipment builders and industrial buyers for two decades. The workflow is built around complete RFQ packages, drawing confirmation and export-ready packing.

Engineering Review Before Production

SolidWorks review and DFM questions help identify bend issues, cutout conflicts, hardware fit, gasket paths and missing manufacturing details before production starts.

Real Factory Capabilities

Core operations include laser cutting, CNC punching, bending, welding, grinding, powder coating, gasket installation, hardware assembly, mounting plates, grounding studs, inspection and packaging.

Inspection Photos Before Shipment

Inspection photos are provided for prototype orders before shipment and are available for batch production upon request, covering overall enclosure condition, cutouts, mounting plate, gasket structure, grounding studs, finish and packing.

Free Remake for Non-Conforming Samples

If a sample does not match the approved drawing or confirmed specification due to our manufacturing issue, Square Box remakes it free. Customer drawing errors, design changes after approval, customs delays and courier delays are not covered.

U.S. Warehouse Support

U.S. warehouse support is available for approved repeat parts, sample forwarding, replacement parts and small-batch stocking.

Compliance Honesty: No False Certification or Origin Claims

Square Box does not claim product certifications or U.S. origin unless the project qualifies and supporting documentation exists.

Built for NEMA-style and IP-rated applications. Final rating depends on design, materials and testing requirements.

U.S. warehouse support for approved repeat parts and sample forwarding does not change country-of-origin treatment. Country of origin depends on the actual manufacturing and import process.