What does MSTFAB manufacture?

MSTFAB is the international brand of Guangzhou Maisituo Sheet Metal Manufacturing Co., Ltd. It makes drawing-defined sheet metal parts and empty mechanical enclosure shells for OEM buyers, using laser cutting, CNC bending, welding and mechanical assembly. Surface treatments such as powder coating may be coordinated with external partners depending on the order.

Which materials does MSTFAB work with?

Common options include carbon steel, galvanized steel, stainless steel and aluminum. Grade, thickness, dimensions, critical tolerances, hardware, finish and inspection criteria are specified per project on the approved drawing.

What are the MOQ and lead time for custom sheet metal parts?

There is no single MOQ or lead time that applies to every part. MOQ, price, achievable tolerances, lead time, finishing route and inspection deliverables are confirmed in the project quotation and purchase order after the drawing is reviewed.

Does MSTFAB supply electrical components or certified finished equipment?

No. The normal supply scope is fabricated metalwork and empty mechanical housings. Electrical components, wiring, software, system integration and final equipment certification remain with the buyer unless a written quotation or contract explicitly includes them.

How do I request a quote?

Send STEP, STP, DXF, DWG or PDF files with the drawing revision, material and thickness, quantity, critical dimensions, hardware, finish, inspection needs and delivery destination through the RFQ page at https://mstfab.com/contact/.

Electrical Cabinet Shell Handoff: Fabricator and Integrator Scope

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FABRICATOR-TO-INTEGRATOR HANDOFF

An electrical cabinet shell handoff should tell the integrator exactly what the metal fabricator delivered, what remains unfinished and which interfaces were inspected. A painted box with mystery hardware is not a handoff package; it is a future meeting.

Empty electrical cabinet sheet metal shell prepared for OEM integration — Keep mechanical fabrication scope separate from electrical integration and completed-panel compliance.

Agree the Responsibility Matrix Before Production

Scope item	Metal fabricator	Electrical integrator
Cabinet metalwork	Frames, doors, panels, plates and brackets to released drawings	Approves assembly interfaces and installed equipment envelopes
Mechanical hardware	Installs controlled hinges, latches, studs and inserts when quoted	Controls device rails and electrical component selection
Grounding provisions	Fabricates specified studs and masks contact areas	Defines bonding design and validates the completed system
Environmental target	Builds approved gasket, opening and closure geometry	Owns final configuration and applicable verification

Inspect the Cabinet in the Delivered Condition

Check door and panel fit, hinge movement, latch engagement, mounting-plate insertion, threads, studs, cutouts, cable plates and removable components after finishing. Critical measurements should use functional datums and the support condition defined by the drawing.

Finished electrical cabinet door and hardware fit-up inspection — Finished-condition checks protect the interfaces the electrical integrator will use next.

Make Loose Parts and Open Issues Visible

Label removable plates, keys, hardware bags, brackets and packing supports with the part number and quantity. Record accepted deviations and unresolved points. If the buyer must drill, mask, bond or install an item later, say so before the cabinet reaches the integration floor.

Electrical cabinet shell and loose panels protected for handoff and export — Separate finished surfaces and restrain doors or panels so transport does not change the approved fit.

Buyer Trust Table

Supplier statement	Handoff evidence	Buyer value
“Hardware installed”	Part-number and function check	Confirms identity, orientation and operation
“Grounding ready”	Specified studs and uncoated contact areas	Provides the mechanical provision without claiming system bonding
“Inspection passed”	Named CTQs, results, revision and approver	Makes the accepted condition traceable
“Ready for integration”	Loose-parts list, deviations and open-item register	Prevents surprises on the assembly floor

Electrical Cabinet Handoff Checklist

Released revision and PO matched
Material and finish recorded
Installed hardware schedule checked
Loose parts counted and labeled
Door, panel and mounting-plate fit verified
Threads and contact areas protected
CTQ report included
Approved deviations attached
Open items assigned to an owner
Packing photos retained

Frequently Asked Questions

Does an empty electrical cabinet include wiring?

No. The standard MSTFAB scope is mechanical metalwork and specified hardware. Wiring and electrical integration remain with the buyer or integrator.

Does a grounding stud prove compliant bonding?

No. It is a mechanical provision. The completed bonding design, installation and validation remain the integrator’s responsibility.

Should the mounting plate be trial fitted?

Yes when its insertion path, fasteners or finished clearances are critical to integration. Define the check in the inspection plan.

Make the Next Assembly Step Predictable

Send the cabinet files, hardware schedule, CTQs and integration requirements for a handoff review.

Request a Cabinet Handoff Review