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2 CONTENTS 1. Company Profile 2. Main Products 3. New Products 4. Comparison -General 5. Attachment drill features FEED SYSTEM 6. Test cert and property right property rights 2

3 1. Company Profile Sales Network : 31 countries in the world Head office & factory : Gyeonggi Do, Korea Establish Capital 1.2 million Employees 39 Turn-over 10 million R&D : Seoul 3

4 2. Main Products 4

5 New Products EXCAVATOR ROCK DRILL This machine specially be used to drilling bushing holes, rock bolt holes in the rock mass for the purpose of removing rock at the Mining site, stone pit, tunnel construction site, it be improved from disadvantage of crawler drills/pneumatic drills and It can simply attached to excavator to do drilling. We are only one manufacturer of attachment rock drill in Korea and it was developed by our self. Compare with crawler rock drill and pneumatic rock drill, our excavator rock drill has following advantages. Competitive price Wide working range Low fuel cost Low labor cost Cable and wire-less control 5

6 4-1 Comparison -General Pneumatic rock drill Drill + Compressor Attachment rock dill Crawler rock drill Weakness accessibility at rough job site Narrow working range Low working speed (around 7 minutes for 3m) Environmental pollution At least 2 workers Needs additional Compressor Easily access to any job site Wide working range High working speed (around 2minutes 30 seconds) Low price Only one operator Standard Compressor Weakness accessibility at rough job site Narrow working range High price High fuel consumption Limited view (control only in side of cabin ) 6

7 4-2 Comparison Working range A B C D E F M inch Pneumatic drill Attachment drill Crawler drill Working range of competitors - Working range be 3m~5m from equipment center to drill position (FINE rock drill at least 9.1m) - Up and down side horizontal working be unable (FINE rock drill - up and down side over 90 degrees ) 7

8 4-3 Comparison Working range (detail) 9.1m Vertical working 9.1m Tilt right side 15 degrees Tilt left side 10degrees Horizontal drilling depth 10.8m Up side drilling 90degrees 8

9 4-4 Comparison Other advantage Hardness structure - Excavator Boom, Arm Included all main functions of crawler drill Simple installation & uninstallation Auto rod changer. Dust Collector Comp. same as other Attachments Remote cont. Cable and wire less control - wide view Simple maintenance Use Excavator, - standard bit, rod, shank adaptor Easy transportation by 5ton truck 9

10 5-1 Attachment drill features FEED SYSTEM Fist Sensor - Sensing the position of drifter to changing Rod quickly Hose carrire Second Sensor - Prevent Base plate to touch Feed plate when the drifter going up to avoid their crack 2 1 Sensor Hose Carrier - Protect hydraulic hose from outside precussion 10

11 5-2 Attachment drill features DRIFTER Model Weight Impact Power Rotation Speed Rotation Torque Hydraulic Pressure Hydraulic Oil Flow FD kg 20kw 0~290rmp 690Nm 220bar 90 lpm 11

12 Compressor 5-3 Attachment drill features COMPRESSOR 1. Just use pressure and flow of excavator without other power 2. Can be installed to behind of cabin and it not affect excavator moving Model UP30 UP50 Discharge Airflow 150CFM 220CFM Discharge Pressure 6bar 8bar 12

13 5-4 Attachment drill features DUST COLLECTOR Air Filter : 6PCS Suction : pressure 8bar, Max. 1,059 cfm Pulsing : pressure 6bar, 30L per one time adjustable pulsing interval Sorting more bigger stone by <free cleaner> 13

14 5-5 Attachment drill features AUTO ROD CHANGER Rods Holder (6pcs / 3,050mm) st rod : 3,660mm Type : T38/T45 Max. Depth : 21m 1. Setup rod position by sensor. 2. Prevention of rod dropping system 14

15 5-6 Attachment drill features Other functions Remote controller Sliding Hood Simple control Working range 10m Wide view of worker Increasing safety REMOTE CONTROLL Cable control available Receiver Increasing suction power 15

16 6-1 Test cert and property right Test report It was developed by Korea Institute of machinery & material and they represented every function test Endurance of proportional valve test Leakage of proportional valve test Drifter load test others : Drifter impacting test, remote controller reaction test, structure of FEED connection test 16

17 6-2 Test cert and property right property rights - NET certification New Excellent Technology(2012.5~2014.4) Project Hydraulic proportional Control technique for excavator attaching - Patents(4) Patent Project Rock drill system with Auto rod changer Attachment rock drill with tilting & rotation function Rock Drill for excavator attaching Control system of attachment Rock drill Contents Simplified system with hydraulic and electric technique Increased rock drill working efficiency Attachment type rock drill whole features Proportional control and Remote control 17

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