300000tpa-coal washing plant-dprk_hot mining20141125.rev

For DPRK 300,000 Ton Per Annum Coal Washing Plant

EPs Proposal2014.11.25

MES is a sub-brand of HOT Mining and focuses on small-middle size processing projects

Content

Technical Supports & Commitment for Colombia Clients............................................................................................1Package Comparison & Suggestion..............................................................................................................................4Price comparing table..................................................................................................................................................5Package 1-Tranditional Jigging Process Technology.....................................................................................................7Package 2-Simplified Jigging Process Technology......................................................................................................20Training Plan _ Coal Washing Plant............................................................................................................................22About HOT Mining.....................................................................................................................................................23About MES Process....................................................................................................................................................24

Technical Supports & Commitment for DPRK Project

HOT Mining / MESTwo Brands of Beijing HOT Mining Tech Co.,Ltd

Reference only, details shall discuss later

1. Parts sourcing supports

We would also provide supports for parts sourcing for clients.

2. Consignment Sales Cooperation (Spare Parts)

If possible, we’d like to discuss the possibility of consignment sales cooperation for spare parts. This could help our client to reduce cash cost as well as parts cost.

3. Remote Technical Supports

If possible and internet are available in DPRK? We’re not sure.

Basis on agreement between client and our technical support team, we will provide a remote support intelligent system for site management purpose. Certainly, our technical team will also inspect the equipment’s status in China and will provide real time technical supports by internet.

HOT Condition Monitoring (HCM)

HCM is one major part of intelligent system that can monitor machine health at real time. By leveraging machine operating and health information, our technical team provides customer maintenance and repair suggestion timely, so as to prevent catastrophic failure, reduce owning and operating cost, maximize machine uptime. --- This is an additional system, just for optional.

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Package Comparison & Suggestion

The recommended package - Package 1, Jigging Process Solution.

Secondary optional package

Package 2, Simple Jigging Processing Solution (‘SJPT’ Solution).

Reasons & Comparisons as below

[1] CapacityThe required capacity is 300,000 tons per annual. If we choose DMS processing technology, we shall choose a very small dense medium cyclone. The smallest cyclone even can process about 450,000 tons raw coal per annual (much more expensive).

And we have also looked the raw coal, most of them are a little big (25mm~50mm), so we cannot choose the smallest cyclone. For this capacity requirement, jigging process is best choice.

[2] Clean Coal YieldSurely, the simple jigging processing technology cannot recovery all the clean coal from raw coal. This would have many loss of margin.

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Price comparing table

Key Process Technology

Package # EP Project Cost USD (FOB Price)

Capacity ton per annum

Clean Coal Sales Income

Clean Coal Yield Operational Cost, Basis on Feeding ROM Coal (Ton)HMC EPC CWC SPMC

TJPT Package1 300,000 t/a Reasonable 0 280KWh ≤10L/tSJPT Package2 300,000 t/a Not acceptable, ≥4.5%

loss0 196KW/h ≈21.5L/t

Note for Abbreviation　 Heavy Medium Consumption HMC Please note

Clean coal sales income is just estimation, for reference only. Because we haven't coal washability report.

Electrical Power Consumption EPCClean Water Consumption CWC(3 Years) Spare Parts & Maintenance Consumption SPMCTJPT 　　 Tranditional Jigging Process TechnologySJPT 　　 Simplified Jigging Process Technology

Please Pay Attention:1. The ROE shall be fixed by 6.1412 (1 USD = 6.1412CNY); Considering currency exchange rate would be changed, thus, we would adjust the price for each 90 days, it would be floating ±5%.2. MES Process is a SUB brand of HOT Mining.

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[3] Operation CostJigging process is a little higher than DMS technology. And the water consumption is also bigger than DMS.

[4] Clean Coal Recovery & YieldDMS is the best technology for maximum the clean coal recovery. Basis on our experiences, for same raw coal, if plant uses DMS technology, it would get additional 2%~ 3.5% clean coals more than jigging technology.

Above all, because of capacity and project cost, we recommend the jigging technology for first choice.

Package 1-Traditional Jigging Process Technology

Content

1. Design basis.........................................................................................................................................12. Design content....................................................................................................................................13. Product solution..................................................................................................................................14. Process Flow Introduction...................................................................................................................25. Design features...................................................................................................................................36. Equipment list and price.....................................................................................................................47. Covers..................................................................................................................................................78. The total installed capacity...............................................................................................................129. Water consumption per ton of coal..................................................................................................12

Attachments

1. Design basis

1. 1, in accordance with the "coal washing engineering design specifications"

(GB50359-2005) and other relevant provisions of the design.

2. 3, production capacity: annual design production capacity of processing

250,000 tons of coal, 32 tons of raw coal into the wash-hour.

3. 4, the working system: Work 330 days, 16 hours work day.

4. 5, coal and products with a car transport; coal used by coal by coal scuttle;

product directly after the election stockpiling dry ground in the yard.

2. Design content

1. Coal Preparation Plant Design says:Coal by coal, washed coal belt into the

bridge, crushing and screening, jigging, concentrate, coal filter press and

other production facilities, as well as the corresponding production systems

for power distribution, lighting and other facilities.

2. Slime-plant recycling, closed water circuit.

3. CPP clean water to the pond by the owner, the owner is responsible for the

power lead to the main plant transformer.

4. After the slurry was concentrated by filter recycling alone stockpiling.

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3. Product solution

1. 1 # 40 coal-30mm 2 # coal 30-8mm 3 # coal 0.5-8mm

2. Coal (return processing system)

3. gangue

4. Slime

4. Process Flow Introduction

See attached flow chart.

1. coal preparation and coal by coal

Coal preparation plant coal from the car shipped to the coal yard, through the subject

under the coal hopper feeder conveyor fed with raw coal sizing screen (coal conveyor

head with a magnetic separator to remove the iron mixed with coal), mesh of 40mm,

the material on the sieve materials are mixed into the jig after washing and crushing to

40mm under the following screen.

2. coal sorting

After screening the crushed coal belt to enter selected CNC Jig sub-elected coal, coal

gangue and three products. After dewatering waste rock products by bucket elevator to

dehydration in the field of coal and waste rock stockpiles. After coal products by bucket

elevator dehydration dehydration to the coal pile storage, processing can also be

returned to the system. Jig coal and coal overflow via a fixed sieve sieve dehydration

dehydration grading into 40-30mm,30-8mm and 8-0.5mm three kinds of grain size. After

these three products to reprint belt stockpiling coal field.

3. slime water system

Coal Dewatering Sieve-0.5mmAfter the sieve into the slime pool water, pumped to a

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thickener concentrate, concentrate recovered by the end of the stream with a filter to

the slurry scraper conveyor field stockpiling. Slime thickener overflow filter filtrate and

pooling of recycled water for the whole plant production water.

In addition, the plant accident outside the sedimentation tank, turn on the water to

deal with the accident. Production systems run, run, drip, drain and clean the floor after

the water into the drainage pond, pumped to jigger recycling.

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5. Design features

1. using sophisticated air chamber under the screen CNC Jig sorting, sub-elect

qualified and high-ash coal gangue, improve the quality of clean coal. Investment, low

operating cost, simple operation, covering less.

2. the process is simple, a small number of production processes and equipment

units, high efficiency, low consumption, coal sorting rate, to meet the needs of users.

3. the design is 250,000 tons / year coal preparation plant jigging with coal storage,

coal by coal, screening crushing, jigging, concentration, pressure filtration, such as slime

production processes to meet the requirements of sorting the various aspects .

4. the design uses high-precision CNC process parameters automatic control

system, improve sorting accuracy jigging.

5. due to the filter press is intermittent work, in order to ensure continuity of

production, the design of the filter is configured with two slime to form a closed loop, ie

a filter discharge, then another filter are feeding, to ensure that production is not

interrupted.

6. slime water system uses efficient inclined plate concentrator, which has a small

footprint, large capacity, low operating costs, investment costs Province characteristics.

No power equipment while the concentrator, there is no pressure equipment problem,

trouble-free operation.

7. the design uses electronic belt right into the washing of coal, coal products for

immediate and incremental measurement, and control room through the host PLC to

achieve plant-wide networking of various parameters, technical indicators show the

process of production, editing, printing function, so that the whole plant production

technology management to achieve standardization and scientific.

8. equipment selection priority equipment advanced, reliable, mature technology

of choice new, highly efficient, energy-saving electrical and mechanical equipment.

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9. the design of local conditions set accident sedimentation tank, when equipment

maintenance or failure, can be saved to an accident slime water pool, and afterwards

they can be returned to the factory slime water processing, recycling plant slime,

washing closed loop to ensure that the environment from pollution and meet

environmental requirements.

6. Equipment list and price

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Item Equipment Specification Unit Qty Note

1 ROM Screen ZDM1225 Φ=40mmSet 1

MES Process

　 Motor N=5.5KW 380V 　2 Crusher

2PCM4050 Discharging<40mm Set 1

MES Process

　 Motor N=15KW 380V 　3 Vibrating Feeder DZ5 N=0.55KW 380V Set 1 MES Process

4

NC Batac Jig SKT3.5 F=3.5m2

Set

1 MES Process

Discharging Motor N=2.2KW 380V 2 　Cycloidal Planetary Gear

Speed Reducer　 2 　

5Air Compressor VF—3/7 Q=3m3 /min Set 1 From China

　 P=0.7MPa 　　　Motor N=18.5KW 380V 　 1 　

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Dewatering Bucket Elevator - For Rejects

T2430 Q=20t/h t=240mm

Set1

MES Process

　 B=300mm L=12.24m 　　 V=0.16m/s а=60o 　

Motor N=3KW 380V 1 　

7Dewatering Bucket Elevator - For Middlings

T1228 Q=9t/h t=120mm

Set1

MES Process

B=280mm L=12.24m 　 V=0.16m/s а=60o 　

Motor N=2.2KW 380V 1 　8

Clean Coal Dewatering Screen

ZJS1248 Φ=0.5mmSet

1 MES Process

　 N=5.5KW 380V 2 　

9Clean Coal Centrifuge TLL700

Set1 MES Process

Main Motor Y180L-6-V1 N=15KW 1 　Oil Pump Motor Y801-4 N=0.55KW 1 　

　 Clean Coal Sizing Screen2ZDM1236 Φ1=30mm Φ2=8mm Set 1

MES Process

　 Motor N=5.5KW 380V 　

10Fan L53 Q=33m3/min

Set1 From China

　 P=0.039Mpa n=1240r·pm 　　Motor N=30KW 380V 1 　

11 Silencer Two set for input and output Pic 2 Price Included in Fan

12 Air Chamber φ=1600 V=4.5m³ Set 1 From China

13Slurry Pump 100ZJ—33 Q=150m3/h

Set1 Shijiazhuang

　 H=24m DC Drive 　　Motor N=30KW 380V 1 　

14 Vibrating Sieve Bend -Slime B=2400 Ф=0.40mm Set 1 MES Process

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Motor N=0.75KW 380V 1 　15

Draining Pump - Water 65ZJL Q=40m3/h H=14mSet

1 Shijiazhuang

Motor Y132S--4 N=7.5KW 380V 1 　16

Agitator - Flocculating Agent

Φ1200 Set 1 MES Process

Motor N=5.5KW 380V Set 1 　17 Flocculating Box 2000×1200×1000 Set 1 MES Process

18Water Circulating Pump 100ZJ—A46 Q=150m3/h

Set1 Shijiazhuang

　 H=30m 　　Motor N=30KW 380V DC Drive 1 　

19High Efficient Inclined Tube Thickener

Φ8m Steel Structure Set 1 MES Process

20Feeding Pump - Filter Press 65ZJR-Ⅱ Q=56--169m3/h Set 1 Shijiazhuang

　 H=73--44m 　　　Motor N=55KW 380V Set 1 　

21Draining Pump - Water 65ZJL-SP Q=40m3/h H=14m Set 1 Shijiazhuang

Motor N=5.5KW 380V Set 1 　22

Press Filter XMY120/1250 F=120m² Set 2 Hebei

Motor N=4KW 380V Set 2 　

23Scraper Conveyer

B=600mm L=7.7m α=3ºSet

2MES Process

V=0.48m/s Q=10t/h 　Motor N=5.5KW 2 　

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Engineering & Others 　

All project related travel will be paid by client, such as air tickets between DPRK and China, domestic traffic cost in DPRK, meals and hotel in DPRK, medical treatment in DPRK

Steel Structure & Civil Job Client's Scope in DPRK

Fabricated Metallic structure Client's Scope in DPRK

Valves & Pipework 　Power supply&Productive control system

　Design cost 　Transport from Plants to China Port

　Port and Related Cost 　Technical Services (On-site only,Installation Guide & Commissioning Guide)

Estimated Rate Reference only

Will be charged by real working days.

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MES PROCESS layout -1

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7. Covers

CPP industrial site area of approximately 1.11 hm2.

8. The total installed capacity

The total installed capacity of 280KW coal preparation equipment.

9. Water consumption per ton of coal

Water consumption per ton coal 0.1m3 / t.

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Package 2 -Simplified Jigging Process Technology

Content1. JXT6-three sets of segment type Coal processing equipment list...............................................142. Investment estimate...................................................................................................................183. Brief introduction........................................................................................................................184. Schematic diagram......................................................................................................................19

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1. JXT6-three sets of segment type Coal processing equipment list

Sequence No.

Set up Equipment Name Call Regulation Grid Power Quantity Brand Equipment Note

101 By coal hopper 3500 × 3000 1Item Fabricated Big mouth width: 3500mm * 3000mm, Plate thickness6mm,Material GB capacity Jigang

Stoker K-OReciprocating feeder 4 1Taiwan MES Pro Yield:100-170t / h,Material Jigang GB capacity, long life, energy-saving than traditional70%Greatly reduce equipment wear.

Coal feeder device Metal Steel 1Set MES Pro Supporting102 Coal belt feeding B = 650 L = 22Rice A = 17 ° 5.5 1Set MES Pro Q = 100T / h V = 1.6m / S

Electric drum N = 5.5KW 380V 1Set MES Pro Oil-cooled electric drumBelt bracket Metal Steel 1Set FabricatedCollection chute Metal Steel 1Set Fabricated 6mmGB steel production site

No. Name Call Regulation Grid PowerKW Quantity Place of origin

Equipment Note

201 Coal feed a dilution tank ZG2030 Fabricated Plate thickness8mm, GB Jinan Iron and Steel production, uniform feeding

202 Multifunctional sieve jigger measure air

Jig coal production conditions in accordance with

16.5 1Taiwan MES Pro The country of leading technology, high processing accuracy. The main

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SC6M-3d-6SChoice6Room raw material GB tablet thickness10mm. Yield≤ 60T / h. Bucket elevatorT2040,T2035

Host steel bracket Metal Steel 1Set Fabricated GB beams, channels, pipe, steel assembly

Jig platform and ladder, guardrail

Metal Steel 1Set Fabricated GB12 #Channel, pedals4mmDiamond Plate, steel angles, finished parts factory.

Gangue, coal chute 3Item Fabricated GB 8mm Plate204 Low air bag Φ900 * 1100 1Set MES Pro And models supporting

Air hose 1Set MES Pro And models supportingRoots blower R200 Q = 48m ³ P39.2Kpa 37 1Taiwan Zhangqiu Domestic famous brands, including

wind network muffler joints205 Pump2SH-13ADouble-suction

centrifugal pumpY360S-4 380V

Q = 260㎥/ H H = 18m

18.5 1 set Zibo Domestic professional manufacturers Zibo pump chemical pump capacity, good service, reliable quality.

206 Curved dewatering screen B = 1150R1160 1 set MES Pro GB 8mm thick material, stainless steel sieve, sieve slit 0.75mm, adjustable

Curved screen bracket Metal Steel 1 set Fabricated 16 # channel,

207 Coal dewatering screen ZKB1748 straight 15 1 set MES Pro 16mm quality original flat steel, Harbin Bearing, high-quality stainless steel sieve, universal rotating shaft.

208 Sieve dehydration tanks and Metal Steel 1 set Fabricated Jinan Iron and Steel production

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steel bracket 6mm GB plate, beams, channelsSieve side platforms and guardrails

Metal Steel 1 set Fabricated 120 channel and 4mm Diamond Plate Production

Sieve side ladder, guardrail Metal Steel 1 set Fabricated 120 channel and 4mm Diamond Plate Production

Sieve dehydration motor bracket

Metal Steel 1 set Fabricated GB 16 # mm steel production Jigang, GB 16 # channel,

Sieve dehydration coal chute Metal Steel 1 set Fabricated GB 6mm plate

End coal sieve coal chute Metal Steel 6 Fabricated GB 6mm plate

Dewatering screen lump chute Metal Steel 1 set Fabricated GB 6mm plate209 Double lump Sieve ZE1230 4 1 set MES Pro

Sieve and chute bracket Metal Steel 1 set Fabricated210 Lump coal belt B = 600 Q = 100T 8 2 sets MES Pro

Belt bracket Metal Steel 2 sets Fabricated211 Effects of new pulverized coal

sieve

(Efficient energy-saving)

ZY1040 9 6 units MES Pro GB 6mm steel bracket for the seamless penetration welding, eccentric vibration, dewatering vibrating motor assembly efficiency higher than 40%, the absolute energy efficient. Save floor space.

212 Coal belt 1 B = 600 Q = 100T 4 13 m MES Pro By GB production, oil-cooled electric drum Boshan,

Belt bracket Metal Steel 1 set Fabricated Angle 8cm

213 Collect coal belt 2 B = 600 Q = 100T 4 15 m MES Pro By GB production, oil-cooled electric drum Boshan,

Belt bracket Metal Steel 1 set Fabricated Angle 8cm

Coal block device 6 sets Fabricated Supporting19

No. Name Specification Power Unit Brand Remarks301 Efficient pyramidal

concentratorΦ7 segment cone 8mm steel straight section 8mm, outside with reinforcing ribs,

1 set MES Pro Deep cone efficiency, energy saving and environmental protection, no power, advanced dual-energy overflow tank design

Slime filter R250 5.5 1 set Hebei Hebei

Filter tank 1 set Fabricated Plate assembly

Filter feed pump P65-45-117m ³ / h 45 1 set Henan Henan

Concentrator steel platform Metal Steel 1 set Fabricated GB steel, energy efficientConcentrator steel inclined ladder

Metal Steel 1 set Fabricated GB Laiwu Steel production, angle iron, steel and other weldments

Concentrator steady flow system

Metal Steel 1 set Fabricated GB Laiwu Steel production, channel steel, steel weldments, etc.

Concentrator steel structure Metal Steel 2 sets Fabricated 160 I-beam, GB Laiwu Steel production, angles, steel weldments, etc.

Mixing drum 1.5 2 Fabricated 4mm steel barrel, Harbin Bearing,

Submersible sewage pumps installed pipeline valves

1 set MES Pro 6-inch steel pipe, standard parts

Sewage pumps Y15S-4 380V

Q = 260㎥/ H H = 18m

18.5 1 set Zibo Domestic professional manufacturers Zibo pump chemical pump capacity, good service, reliable quality.

501 Mounting Accessories 1 set Supporting502 Split cabinet portfolio 1 set MES Pro Deli Western Electric, 30KW or more

motors equipped with self-dual step-down start

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Installation fee Site workers on-site installation

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2. Investment estimate

Please noteice as below

1 This simplified jigging process system need one shovel car, client need to buy it. It’s not in our package;2 This is a FOB EPs Price, engineering + equipment supply + technical services;

3 Currency, USD. We also accept the equivalent amount in Chinese Yuan (RMB);All Price basis on 1 USD = 6.15RMB 4 All needed business travel from China to Colombia, traffic in Colombia, meals, hotel and medical treatment in Colombia belong to client's scope; 5 Translator cost is estimated on 30 days job. If he/her works more than 30 days, the cost will be added basis on 149.93 USD/day.

Certainly, this job could be client's scope, and remove it from our cost. For your kind reference. 6 All training in China is for free.

3. Brief introduction

First, the area of Including raw materials needed venue 10000 (meters)

The total area of installationAbout 600 m2

A cement floor need to build 2 pool covers Tank capacity

500 m2 100 m2 400 m3

Second, the production costs24 hours 1400 t 3 class guide (8 hours / day

Power Staff Water Consumption Forklift oilOtherMaintenance

196KW / h Class 4 Japanese consume 30 cubic meters

150 l

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480 tons)This cost is based on local prices standard.

Third, the construction period

30-52 days Manufacture of 30 days, 15 days of installation, commissioning of 7 days

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4. Schematic diagram

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Training Plan _ Coal Washing Plant

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StagePlace Training Purpose Requirements

Training

MethodsPeople shall join Time Cost

Before Delivery

Chengdu City

& Dazhou

In China

Basic skills and coal washing

knowledge, experiences

Indoor Training

Coal washing plants

Visiting

PPT & Handbook

Coal Washing

Plants

Washing Plant Managers

and Engineers5 days

Free

Client pay own people’s travel

cost, hotel. Meals provide by

HOT.

Before DeliveryChengdu,

In China

Basic knowledge of

processing equipment,

plants’ visiting

Key Equipment Inspection

Indoor Training PPTWashing Plant Managers

and Engineers5 days

Free



HOT.

Pre –

CommissionDKRP

Know how to operate and

control equipmentIndoor Training PPT, Vedio

Washing Plant Engineers,

key staff, technical

workers

7 days

Free

Client pay our people’s travel

cost, & hotel, meals, medical

care in DPRK.

Pre –

CommissionDPRK

Know how to operate

electrical equipment and

management

Indoor Training PPT



workers

5 days

Free



care in DPRK.

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Training and

guide job for

Commissioning

On-Site

Know how to

commissioning

& guide for commissioning

Indoor Training

On-site training



workers

5~30

days

If commissioning job finished

within 5 days, for free.



care in DPRK.

If client need more than 5 days for commissioning job, our engineers and translator’s cost as below, we also accept the equivalent amount in USD or RMB.

Total Engineer, 5 people (2 process engineers, 2 mechanical engineers, 1 electrical engineer), 208.23 USD / Day for each one, this will be charged by real working days, and it

billed once a week.

Translator, 1 people, 149.93 USD / Day, all this people can be provided by client, it’s also OK (Good at English, and Chinese Mandarin).

Maintenance DPRKBasic skills and experiences

of maintenancePPT



workers

5 days

Free



care in DPRK.

After –

Commission

Chengdu

In China

Know how to manage coal

washing plant, how to

reduce operational cost,

experiences share

PPT

Seminar

Client Managers and

Engineers5 days

Free



HOT.

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About HOT Mining

HOT Mining (Group Companies) provides integrated engineering solutions to coal and mineral. Our services include underground mining, open cut mining, mineral processing and materials handling. We provide engineering, equipment, project delivery and operations services for coal, iron ore, copper, gold, zinc, silver and other base metals.InnovationHOT is leading in 3D engineering and intelligent operation in coal preparation, as well as cloud-computing based intelligent operation system.Our engineering capability has been recognized by mining giants. Our clients are Anglo Gold Ashanti, Worley Pasons, China Shenhua, Caledon (Xstrata Coal – GRAM China)，etc.HOT has an already set up branch / Agents in India, Colombia (Agent), Australia (Branch) and Mongolia (Branch).

Underground Mining Open Cut MiningEngineering /All Equipment Supply / Technical Services Engineering / Major Equipment Supply

Mineral Processing / Sands Washing Coal Washing (Coal Preparation Plant)Engineering / Major Equipment Supply / Engineering /All Equipment Supply / Maintenance /Technical Services / Operations Technical Services / Operations

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Project Delivery: EPs only Project Delivery: EPC / EPCM / EPs / FEED / LSTK

About MES Process

Our sub-brand, MES Process (hereafter “MES”) focuses on small projects, both for mining and processing. Basis on HOT Mining’s engineering capability; MES can delivery good quality projects with reasonable cost as well as fast delivery. This can help our client to share more margins within short period.

MES is managed by one of our group companies, Chengdu HOT Mining Co.,Ltd.

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300000tpa-coal washing plant-dprk_hot mining20141125.rev

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