Leytenstone Internal opportunity report

Mining supply · South Africa

Coal Mine Supply Opportunities

There is a real opportunity beyond PPE. It is strongest in high-turnover maintenance and wear consumables: hydraulic hoses, filters, seals, conveyor wear items, screen panels, liners and dust suppression chemicals. China makes these cheaply, they need no mining-specific approval, and they can be quoted to the mine Leytenstone already supplies. Regulated underground items, such as roof bolts, belting, electrical equipment and self-rescuers, need certification first and should come later.

As of 10 November 2026 · Prepared for Leytenstone (Pty) Ltd

What a coal mine buys

A coal mine buys consumables in four areas: the mining face, conveying, the wash plant, and site services. Each area gets replenished every week.

236.2 MtSA coal produced in 2025
78operating coal mines
65of them in Mpumalanga
~R12bnExxaro's implied annual procurement (our calculation)
AreaRecurring itemsChina supplies at scaleSA standard or approval needed
Mining face (underground)Roof bolts, nuts, resin and cement capsules, meshYes (bar, nuts, mesh)Bolts SANS 920/1408, resin SANS 1534, cement SANS 1745 (SABS mark)
Mining face (all)Cutter picks, drill bits, bucket teeth, ground engaging toolsYesUsually OEM specification, no SA standard
ConveyingConveyor beltingYesSANS 971 fire-resistant underground; SABS 1173, 1366
ConveyingIdlers, pulleys, belt fasteners, scrapers, rubber laggingYesIdlers SANS 1313; frictional-ignition rules underground
Wash plantFlocculants and coagulants (polyacrylamide)YesNone found
Wash plantScreen panels, cyclone liners, slurry pump spares, rubber and ceramic wear linersYesOEM-tied, none statutory
Wash plantMagnetite for dense medium (about 1.3 kg per tonne washed at one plant)No, bulky and sourced locallyNone
Site servicesDust suppression and water treatment chemicalsYes (base chemicals)None found
Site servicesHydraulic hoses and fittings, filters, bearings, gaskets, sealsYesNone found
Site servicesLubricants and greasesPartly; oil majors dominateNone found
Site servicesTyresYesAnti-dumping duties of 7.18% to 43.6% on Chinese road tyres to July 2028; mining tyres not confirmed
Underground safetyStone dust, ventilation bratticeStone dust no; brattice yesStone dust at least 95% incombustible, at most 5% free silica
Underground safetySelf-rescuers, gas detectors, cap lamps, trailing cablesYes, but approval is the barrierSANS 1737; Inspection Authority certificate (SANS 60079 Group I); cables SANS 1520

The last row is the hardest for an importer. Every electrical item that goes underground in a coal mine needs an Inspection Authority certificate before it may be used.

Live tender evidence

Most open coal-sector supply tenders right now come from Eskom's coal-fired power stations. The private miners (Thungela, Seriti, Glencore, Sasol, Exxaro) mostly invite suppliers already registered on their vendor portals. The tenders that are public show the buying model: 3 to 5 year "as-and-when" contracts for consumables and spares.

TenderBuyerWhat they buyClosesStatus
E3782GXMWPDUVEskom DuvhaGaskets, pressure seals, O-rings, packing13 Nov 2026Open
E3524GXMPMATEskom MatlaRubber chute liners and spares, 5 years13 Nov 2026Open
E3310GXMPMATEskom MatlaPumps and pump spares, 3 years25 Nov 2026Open
E2600GXMPARNEskom ArnotFilter elements, 5 years31 Dec 2026Open
E3573GXMPKRIEskom KrielMill classifier blade wear parts, 5 years19 Nov 2026Open
E3718GXMPCAMEskom CamdenLow-pressure pipes and fittings, 48 months30 Nov 2026Open
E2845GXMPKENRREskom KendalFire detection spares, 5 years27 Nov 2026Open
AE/VALK008/2026AEMFC Vlakfontein (state coal mine)Occupational hygiene (dust and gas monitoring)1 Dec 2026Open · service
E2766GXMWPEskom, all coal stationsConveyor belting, 5 years23 Jun 2026Closed
E2610GXMPMATEskom MatlaBearings, 5 years9 Apr 2026Closed
6000008281AEMFC VlakfonteinCrushing and screening plant components2 Jul 2026Closed
Exxaro tendersExxaro (Grootegeluk, Matla, Belfast)Dust suppression, filters, hydraulic cylindersOct 2025Closed
Exxaro EOIsExxaroConveyor splicing and lagging, filtersNot statedUnconfirmed

The Kriel, Camden and Kendal tenders were confirmed on a list page, not on each tender's own page. The visible requirements are standard: CSD registration, tax clearance, a B-BBEE certificate or affidavit, and attendance at a compulsory briefing for Eskom tenders. Mine RFQs such as AEMFC's score 80 points on price and 20 on specific goals.

Opportunity ranking

The best fit is high-turnover, unregulated wear and maintenance consumables that China makes cheaply and that the mine runs out of every month. These can be quoted to the existing buyer without new approvals. The ranking is our assessment from the research, not measured spend.

Tier 1: Start now

No approvals; quote to the existing buyer

  • Hydraulic hoses, fittings, couplingsHigh volume, standard SAE/ISO sizes. Crimping on site adds value.
  • Filters (hydraulic, fuel, air)Every machine uses them; Eskom and Exxaro both tender them.
  • Conveyor wear itemsRubber lagging, chute liners, scrapers, belt fasteners, impact bars. Eskom Matla is tendering chute spares now.
  • Processing wear partsPolyurethane screen panels, rubber and ceramic liners, cyclone and pump spares.
  • Gaskets, seals, O-rings, bearings, fastenersSame stores buyer as PPE. Eskom Duvha is tendering seals now.
  • Dust suppression, water treatment, flocculantsRecurring bulk buy that needs a site trial and dosing support.

Tier 2: Build up

Large spend; needs trials or certification

  • Ground engaging tools, bucket teeth, cutter picks, drill bitsMust fit the mine's OEM machines, and quality must be proven in a trial.
  • Idlers and pulleysMust meet SANS 1313, against local makers.
  • Conveyor beltingSANS 971 for underground, SABS 1173/1366. Eskom runs 5-year contracts.
  • Roof bolts, mesh, trailing cablesNeed the SABS mark. A local threading or assembly step helps local-content scoring.

Tier 3: Avoid for now

Regulated or poor fit

  • Underground electrical, gas detectors, self-rescuersNeed Inspection Authority certificates and SANS 1737, which are slow to obtain.
  • Magnetite and stone dustBulky local commodities.
  • LubricantsThe oil majors dominate.
  • TyresAnti-dumping duties apply to Chinese tyres.

Requirements to qualify

An existing vendor number at a large coal mine is the hardest step, and Leytenstone already has one. To sell more lines there and to other mines, these are what count.

Vendor portals

Thungela uses SAP Ariba (registering earns invitations, not a vendor number). Exxaro uses Fabric and is moving to Coupa. Glencore SA Coal buys from Witbank. Sasol Mining sends RFQs by email. AEMFC posts its RFQs publicly.

State buyers

Eskom and AEMFC require National Treasury CSD registration, tax clearance, a B-BBEE certificate or affidavit, and attendance at compulsory briefings.

Mining Charter procurement

The 2018 Charter asks miners to spend 70% of goods spend on SA-manufactured goods, meaning at least 60% local content verified by SABS. Goods below that threshold earn the miner no procurement points, whoever the distributor is.

Legal status

The High Court set that clause aside in 2021, and the DMRE did not appeal. Miners still report against it voluntarily. The May 2025 draft MPRDA Bill would make it mandatory again; its current status is unconfirmed.

Imported goods compete for the roughly 30% of goods spend that sits outside the local-content target, and they win it on price and availability. A local finishing or assembly step that lifts a product above 60% local content opens the larger share.

Proposed approach

Start from the mine already being supplied, grow into the Tier 1 lines there, and use those results to win other mines and Eskom tenders.

  1. Get the shopping listWeeks 1 to 4
    Ask the buyer or stores manager for the mine's consumables stock list, ranked by annual spend or usage. Ask to quote on hoses, filters, seals and conveyor wear items.
  2. Source samplesMonths 1 to 3
    Pick three to five Tier 1 lines and get quotes, samples and test certificates from Chinese factories. Price them landed in Mpumalanga against the mine's current prices.
  3. Run trialsMonths 2 to 4
    Put samples on one conveyor, one screen or one machine, and record wear life against the incumbent part. A documented trial is what moves a mine buyer.
  4. Offer stock-holding as the differentiatorOngoing
    Hold buffer or consignment stock in the warehouse for the mine. That cuts their lead times and working capital, and removes the lead-time disadvantage imported parts usually carry.
  5. Register more widelyMonths 3 to 6
    Register on CSD, Thungela Ariba, Exxaro Coupa, and the Glencore, Seriti and Sasol portals. Bid on Eskom "as-and-when" tenders once a product has a trial record. The Arnot filter tender is open until 31 December 2026.
  6. Add local contentMonths 6 to 12
    Add a simple local step, such as hose crimping, bolt threading or liner fitting, to raise local content toward 60%. That improves how Tier 2 lines score with the mines.
Risk to weigh: the IRP 2025 plan cuts coal to 11% of Eskom's installed capacity by 2042. Most of these consumables also sell to other mines and quarries, so the stock does not depend on coal alone.

Open questions

Sources

All pages were opened on 10 November 2026. Tender links are in the tender table above.