This is what a buyer checks before they shortlist a energy, mining, water and environment supplier.

What does a mine operator check before selecting equipment or minerals?

For equipment they check duty rating and wear life against their ore; for mineral products, the assay specification and consistency. In both cases they check site support, because a mine is usually remote and downtime is measured in lost production per hour.

A plant metallurgist is evaluating a change that will be judged on throughput and unplanned downtime.

Reviewed 4 August 2026 · Written for mining equipment or mineral suppliers selling to business buyers

Buyer asks

What does a mine operator check before selecting equipment or minerals?

Illustrative. The question is real; it is the one this guide answers.
WHAT THEY NEED TO BELIEVEWHAT SETTLES ITWHEN THEY ASKThroughput, power and duty…Technical specification and…SelectionAssay and particle size fo…Certificate of AnalysisEvery consignmentExpected life under stated…Wear life dataEquipment selection — t…
Every claim on a supplier site has a document behind it or it does not. Buyers in mining and mineral processing know which is which.

What a buyer needs to identify the product

These are the fields a buyer scans before deciding whether you are worth contacting. Missing one of them usually ends the visit without an email.

  1. 1

    Product type

    Processing equipment, wear parts, reagents and mineral products differ.

  2. 2

    Duty rating and capacity

    Mining duty is far harsher than general industrial.

  3. 3

    Wear material specification

    Determines liner and wear part life.

  4. 4

    Assay specification

    For mineral products, the compositional guarantee.

  5. 5

    Particle size distribution

    Governs downstream processing behaviour.

  6. 6

    Site support capability

    Mines are remote and downtime is expensive.

  7. 7

    Spare and wear part availability

    The ongoing cost and the ongoing risk.

The documents buyers ask for

Not all of them belong on a public page. Naming the ones you can issue is what separates a supplier who can be audited from one who cannot.

Documents buyers ask a mining equipment or mineral supplier for, what each proves, and whether it belongs on the public site
DocumentWhat it provesWhere it belongs
Technical specification and capacity dataAsked at: selectionThroughput, power and duty rating under stated conditionsPublish it
Certificate of AnalysisAsked at: every consignmentAssay and particle size for the mineral consignmentPer shipment
Wear life dataAsked at: equipment selection — the real cost measureExpected life under stated ore conditionsName it, share on request
Material certificate for wear partsAsked at: acceptanceAlloy composition and hardness of wear componentsPer shipment
Safety Data SheetAsked at: site approvalHazard and handling information for mineral productsPublish it
Site support and spares statementAsked at: purchase decisionWhere support is based and what is stockedPublish it
Reference installation listAsked at: risk assessmentComparable operations using the equipmentPublish it

Where mining and mineral processing sites lose the enquiry

Each of these is common, cheap to fix, and costs an enquiry that never arrives — so nobody ever reports it.

  • Wear life not quantified

    In mining, wear life is the cost. Equipment sold on capital price without wear data is being sold to the wrong person in the organisation.

  • Assay given as a typical value

    Mineral products are contracted on guaranteed assay with tolerances. A typical value is not a commercial position.

  • Site support not described

    Mines are remote and downtime is measured in lost production. A supplier without a support answer is carrying a discount they will never recover.

What the enquiry form should ask

A form that collects these can be answered properly the first time. A form that collects a name and a message cannot.

Enquiry form — mining and mineral processing

Enough to reply usefully, short enough that a buyer finishes it.

Ore or mineral characteristics
Determines equipment and wear selection.
Throughput requirement
The core duty.
Existing equipment and circuit
Integration constrains the options.
Site location and access
Determines support and logistics.
Wear life or consumption expectations
The basis of the cost comparison.
Shutdown windows
Installation must fit planned maintenance.

Questions suppliers ask

Why does wear life dominate equipment selection?

Because in mining the consumable and maintenance cost usually exceeds the capital cost within a short period. A supplier who publishes wear life under stated ore conditions is competing on the number the metallurgist actually tracks.

How should assay guarantees be presented?

As guaranteed values with tolerances and the sampling method, not as typical results. Mineral contracts are settled on assay, and a producer who publishes the guarantee and the sampling basis is much easier to contract with.

What matters most about site support?

Where people and parts actually are, and how quickly they reach the site. Mining operations lose large sums per hour of downtime, so a specific support answer, with locations and response times, outweighs a keener price in almost every evaluation.

Documents and standards named here are the ones buyers in this industry commonly ask for; requirements vary by market, customer and contract, so treat this as a starting checklist rather than a compliance list. Clearer pages can help discovery and evaluation. They do not guarantee rankings, AI citations, enquiries or revenue.

Illustrative

An enquiry from this search looks like: Site location and access · Ore or mineral characteristics · Throughput requirement · Existing equipment and circuit

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