Serial Number Labels & Metal Barcode Tags

Overview:

Every piece different. We produce serial number labels and metal barcode tags where each unit carries its own number, barcode, or QR code — sequential serials, part numbers, UID strings, or data you supply in a spreadsheet. Built on anodized aluminum, stainless steel and brass. Material, finish and marking should be selected for the intended environment.

Highlights:
- Every piece uniquely numbered
- Barcodes, QR, Data Matrix & UID
- Anodized aluminum & stainless steel
- Scan-tested before shipping
Materials:
Anodized aluminum, stainless steel, brass — material grade confirmed in the quotation

Thickness:
Thickness confirmed to the approved drawing

Marking methods:
laser marking and chemical etching

Code types:
Sequential serials, Code 128, Code 39, QR, Data Matrix, UID strings

Batch size:
Batch size confirmed after data review

Attachment:
Adhesive or mechanical fixing selected for the mounting surface

MOQ:
From 100 pcs per design · best pricing at 500+ pcs

Lead time:
Sample in 7–10 days · production in 15–20 days after sample approval

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If you have any questions about serial number labels and metal barcode tags, please contact us.

cs-nameplate@guangdongcs.com WhatsApp +86 18169925909

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Materials:
Anodized aluminum, stainless steel, brass — material grade confirmed in the quotation

Thickness:
Thickness confirmed to the approved drawing

Marking methods:
laser marking and chemical etching

Code types:
Sequential serials, Code 128, Code 39, QR, Data Matrix, UID strings

Batch size:
Batch size confirmed after data review

Attachment:
Adhesive or mechanical fixing selected for the mounting surface

MOQ:
From 100 pcs per design · best pricing at 500+ pcs

Lead time:
Sample in 7–10 days · production in 15–20 days after sample approval

What "variable data" actually means

Standard labels repeat the same artwork. Variable data means the artwork stays fixed while one or more fields change on every piece — a running serial, a barcode encoding that serial, a part number, a date code, or a customer asset number. You send the list, we mark each piece to match.

We produce variable data by laser marking and chemical etching. Send your data as Excel (.xlsx) or CSV and we will return a proof showing the first, middle and last records before production starts.

Variable data is the backbone of durable asset tags and equipment nameplates that must stay unique across a fleet.

Code types we can mark

Code type	Typical use	Notes
Sequential serial numbers	Equipment, tools, fixtures	Start number and increment are yours to set
Code 128 / Code 39 barcodes	Asset registers, maintenance systems	Human-readable line printed underneath
QR codes	Link to a manual, service record or portal	Scan-tested before shipping
Data Matrix	Small parts where space is tight	Code size and scanning requirements reviewed for the project
UID strings	Defense and aerospace supply chains	We mark to the string you supply — see note below

Supported code types on our line: Sequential serials, Code 128, Code 39, QR, Data Matrix, UID strings.

Materials and how long the marking lasts

Anodized aluminum
— the mark sits inside the anodic layer rather than on top of it. Material, finish and marking should be selected for the intended environment. Service life is confirmed for the intended environment. Temperature and chemical exposure requirements are reviewed for the project.

Stainless steel
— for washdown, chemical exposure and high heat. Etched or laser marked. A natural fit for industrial valve tags and process equipment.

Brass
— where a traditional look matters, or where the buyer's spec calls for it.

Full material list: Anodized aluminum, stainless steel, brass — material grade confirmed in the quotation.

Serial number labels vs barcode labels — which do you need?

A serial number label carries a human-readable number. A barcode label carries the same number in machine-readable form, usually with the number printed underneath so a person can read it too. Most buyers end up wanting both on one piece: the barcode for scanning into the asset system, the printed number for the technician standing in front of the machine.

Choose serial only when nothing scans the tag. Choose barcode or QR when the tag feeds an asset register, a maintenance schedule or an inventory count.

What we need from you to quote

Size and shape, or a drawing
Material and finish preference — or tell us the environment and we will suggest one
What changes on every piece: serial range, barcode type, or a sample of your data file
Quantity
How it attaches: Adhesive or mechanical fixing selected for the mounting surface

Send these details for a project quotation.

Preparing your data? Read How to Send Serial Numbers, Barcodes and QR Codes.

Frequently asked questions

Frequently Asked Questions

Can every label have a different number?

Yes. That is what variable data marking is for. We produce each piece with its own serial, barcode or QR code from the data you supply, sent as Excel (.xlsx) or CSV. Batch size is confirmed after data review.

What is the minimum order for serial number labels?

From 100 pcs per design · best pricing at 500+ pcs

Does variable data cost extra?

Any data preparation, marking and verification requirements will be reviewed and included in the project quotation.

Can you encode our existing asset numbers?

Yes. Send the list in Excel (.xlsx) or CSV and we mark to it exactly. We do not generate numbers for you unless you ask us to run a simple sequence.

Will the barcode still scan after years outdoors?

On anodized aluminum the mark is sealed inside the anodic layer, which is why we recommend it for outdoor and washdown use. Service life is confirmed for the intended environment. We scan-test before shipping.

Can you mark UID or Data Matrix codes?

We can mark the string and symbol you specify — Sequential serials, Code 128, Code 39, QR, Data Matrix, UID strings. We produce to your spec; we do not issue compliance certification.