We purchase surplus industrial automation parts

Surplus drives, PLCs, HMIs, modules and related industrial electronics — from unused stock after upgrades to obsolete parts in original packaging.

Send us your surplus list See what we typically need See how we resell devices

Tip: a simple Excel/CSV list is enough. Photos of labels and packaging speed up evaluation.

What we buy

Surplus drives, PLCs, HMIs and modules
Unused stock after upgrades and retrofits
Obsolete or discontinued parts in original packaging
Complete panels or racks that can be dismantled for parts

Why sell to Suminvent

We understand the real market value of industrial automation parts
Fast evaluation of lists with realistic pricing
Recover budget and free storage space
We can handle collection logistics after agreement

Simple process

1) Send your list

Send an Excel/CSV list or photos of the stock (labels + packaging).

2) Evaluation + questions

We evaluate, ask clarifications where needed, and make an offer.

3) Collection + payment

After agreement we organize collection and payment terms.

Preferred information in your list

Best format (fastest)

Brand + exact part number (full code)
Firmware/version where known
Quantity + condition (new/unused/used)
Photos of labels and packaging (when possible)

What helps pricing accuracy

Original boxes or sealed packaging
Clear provenance (unused stock after upgrade, spare strategy change)
Known history if used (tested/untested)
Ability to group items for pickup (pallet/boxes)

Link with our catalog

Demand-based evaluation

We match your surplus list against our industrial devices catalog to identify which items are most in demand. This helps us make a fair and realistic offer based on actual customer needs.

Browse device catalog How we supply & resell

Typical device families

Servo drives and frequency converters (VFDs)
PLC racks, CPUs, I/O and comms modules
Industrial HMIs and operator panels
Power supplies and control electronics for cabinets

Sell surplus stock to Suminvent

Warehouse stock, liquidation lots, unused spares after upgrades — send details and files in 2–3 minutes.

Company name *

VAT / Company ID

Contact name *

Role

Email *

Phone

Address / City (for pickup planning)

Context *

Preferred timeline

Condition

Packaging

Approx. volume

Pickup access

Notes (brands, families, constraints, liquidation contact, etc.)

Paste list (optional)

Tip: Excel/CSV upload works best, but pasting is fine for short lists.

Upload files (optional)

Accepted: CSV/PDF/ZIP/JPG/PNG/TXT. Add photos of labels + packaging, and any list file.

Preferred offer type

How should we contact you?

I confirm I am authorized to share this information and agree to be contacted about this request. *

We use the data only to evaluate your surplus and respond to your request.

We purchase FAQ

Open a question to see the answer.

Do you buy used parts?

Yes—new, unused and used stock can be evaluated. Clear labeling (tested/untested) and photos help speed up the process.

Can you buy complete panels or racks?

Yes. We can evaluate complete panels/racks for dismantling, reuse and resale, depending on device mix and condition.

What is the fastest way to get an offer?

Send an Excel/CSV list with full part numbers + quantities, and add photos of labels and packaging where possible.

How do we start?

Use the contact page and attach your list/photos. We will reply with follow-up questions and a clear proposal.