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Underground / pit-face working areas 38 Stripping today 462,000 t Feed grade 62.4% ● 1,286 days without incident Hohhot, Inner Mongolia 40.8414°N / 111.7519°E
Chilechuan MiningCHILECHUAN MINING
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◆ Chilechuan Mining Group · group site node

What lay buried for 200 million years
is mined and put to clear use

Chilechuan Mining runs five flagship mines in Inner Mongolia covering rare earths, coking coal, thermal coal and iron concentrate. From 3D geological modelling to autonomous haulage and tailings reuse, every tonne carries a grade and a destination record.

638 100 M tProven resources
5main mines
1,286 dayssafety without incident
Live mining status · open pit, Zone A● 38/38 on-board terminals online
1,180m1,240m1,300m
46.210k tTotal stripping today
62.4%Current feed grade
78.6%Rare earth recovery rate
0.42m³ per 10k tEnergy use per tonne of ore
4.26GWRenewable capacity+12.4% YoY
18,600racksCompute racks in service+8.1% YoY
1.12Data centre PUE-0.03 YoY
620,000tDairy annual capacity+5.6% YoY
01

Mine locations

Five main mines in Inner Mongolia · resources and grades reviewed annually

Rare earths / iron Bayan Obo mining area
43.5 M t of rare earth oxides
REO grade 6.2%

Main mining area of Baotou Steel and the largest rare-earth associated deposit in the world

Thermal coal Jungar coalfield
Proven reserves 26.8 bn t
Calorific value 5,480 kcal/kg

Premium thermal coal, ultra-low sulphur and phosphorus

Non-caking coal / long-flame coal Dongsheng coalfield
Proven reserves 19.6 bn t
Ash 8.4%

State-planned large coal base

Coking coal / coke Wuhai coal and coke district
Proven reserves 4.2 bn t
Coke CSR 68%

Northwest coking coal distribution hub

Lignite Huolinhe coalfield
Proven reserves 13.1 bn t
Calorific value 3,200 kcal/kg

2,400 MW of co-located mine-mouth power

02

Full mining, processing and smelting chain

From exploration to metal recovery — a four-stage closed loop

01

Geological exploration

3D seismic plus drilling verification, with resources reviewed to JORC standards

Resource reliability 92%
02

Open-pit mining

Five open-pit mines with 38 × 220 t electric-drive haul trucks in autonomous platoons

462,000 t stripping a day
03

Ore processing and purification

Three lines — dense medium, flotation and magnetic separation — with a 78.6% rare earth recovery rate

Concentrate grade 62.4%
04

Smelting and processing

Combined pyrometallurgical and hydrometallurgical process, with waste-heat power generation and tailings utilisation

Metal recovery 94.1%
03

Products and grades

Long-term customers first · spot listings sync to the group OA procurement platform

ProductsQuality parametersAnnual capacityMain producing areasStandards / certification
Rare earth oxides REO 99.9% 48,000 t/yr Bayan Obo ISO 9001 / REACH
Coking coal Ash ≤ 9.5% 18.6 M t/yr Wuhai · Ganqimaodu GB/T 5751
Thermal coal Calorific value ≥ 5,400 kcal/kg 32.4 M t/yr Jungar · Dongsheng Long-term contracts + spot
Iron concentrate TFe ≥ 65% 7.8 M t/yr Bayan Obo ISO 9001
Coke CSR ≥ 66% 4.2 M t/yr Wuhai Exported to Japan, Korea and Southeast Asia

Green mining and safety HSE / GREEN MINE

All five mines are on the national green mine list. Pits are water-sprayed for dust suppression, haul roads are paved and the processing plant discharges no wastewater; tailings are re-processed for backfill and building materials, giving an 86.4% utilisation rate. On safety we run the two-permit three-system regime plus a dual checklist for hazard inspection, risk work permits share the same source as group OA approvals, and pre-shift meeting records are archived automatically.

Tailings utilisation rate86.4%
Mine greening coverage72.0%
Closed-loop hazard rectification rate100%
Recordable incidents1,286 days without a lost-time injury0

Smart mine development SMART MINE

Autonomous mine trucks38 units in platoonsEfficiency +18%
Remote-controlled excavators8 × 5G remote-controlled unitsManpower -42%
3D geological modellingDynamic resource reviewAccuracy ±3.2%
Blend optimisation algorithmStable feed gradeVariation -36%
Equipment health predictionPHM for key unitsUnplanned downtime -27%
Mine-side data returns through edge gateways to the group metric platform, sharing one set of master data with OA, procurement and finance.
04

Transport and storage nodes

AMap Open Platform · GCJ-02 · redundant with Baidu Maps

Group HQ · Hohhot40.8414°N / 111.7519°EHQ / control hub
Ulanqab Wind Base40.9946°N / 113.1328°E2.31 GW
Ordos Solar Base39.6084°N / 109.7813°E1.95 GW
Qingcheng AI Computing Centre40.8122°N / 111.6705°E18,600 racks / PUE 1.12
Xilin Gol Grassland Farm43.9333°N / 116.0864°E620,000 t/yr raw milk
Hulunbuir Tourism Camp49.2120°N / 119.7400°E8 routes
05

Group news

Language versions 4

Long-term, spot and tender
All through this one entry point

Once you submit your requirement the system creates a lead and pushes it to the group OA; the sales centre and materials procurement department respond within 2 hours with a grade report, haul distance and price range.