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DADI Engineering Development (Group) Co., Ltd. (hereinafter referred to as Group Company) was established in 1995. It was a Sino-Australian joint venture approved and registered by the former Ministry of Foreign Trade and Economic Cooperation of China and belonged to the former Ministry of Coal Industry. In 2007, it was restructured into a joint-stock company with registered capital of 117,114,998 CNY. Group Company has 2 business departments, 2 branches, 3 wholly-owned subsidiaries and 4 holding subsidiaries. The company holds the State-issued Grade A Credit Certificate of Engineering Consulting Institutions, Grade A Qualification Certificate of Engineering Survey and Engineering Design, and Class I Qualification Certificate of EPC (Turn-key) Project of Mining Construction. It has passed the certificates of ISO 9001, ISO 14000 and ISO 18000, and obtained AAA Grade Certificate of Enterprise Credit & Certificate of Approval for Measuring Instrument Type. The Company has branches or offices in Australia, United States, South Africa, Mozambique, Tianjin, Taiyuan, Ordos, Xi’an, Yinchuan and Urumqi, etc. Group Company has more than 3,000 employees among which there are more than 600 engineers, 5 design masters, more than 60 professor-level engineers, more than 150 senior engineers, and more than 80 registered personnel of various fields. The design engineering sector has engineering research team and project management team with professional and technical support and reasonable personnel structure. It provides domestic and foreign customers with general planning of mining area, consultation, survey, design, EPC and construction services of underground coal mine, open-pit coal mine, coal preparation plant, coal deep processing, coal collection & distribution station and coal blending center, green mine and goaf treatment, waste heat utilization, energy saving & emissions reduction and intelligent dry separation. Entrusted operation sector has gathered a group of enterprising excellent managers and employees. They are engaged in the operation and maintenance of large-scale coal preparation plants in accordance with the management principle of “streamlined organization, efficient operation, up-down communication, left-right interaction”, and have rich management experience. Equipment manufacture and intelligentization sector includes horizontal screen, circular motion vibrating screen, banana screen, flip-flop screen, high frequency screen, sieve bend, centrifuge, X-ray intelligent dry separator, slime separator, slime thickener, automatic dosing system, heavy medium separator, heavy medium cyclone, classifying cyclone, exciter, wear-resistant pipeline, wear-resistant valve, slime filter cake breaker, steel structure component, high opening rate polyurethane continuous screen panel, stainless steel screen panel, centrifuge basket, high & low voltage switchgear, manufacture & development/integration of electrical engineering and automation system and intelligent development in mining engineering design & coal preparation plant operation, etc. Energy-saving and environmental protection sector has dozens of core technology patents, among which the direct-cooling deep enthalpy exhaust air heat pump technology and other technologies are among the first in China and in the leading position of the world. The sector has completed a number of businesses endeavors such as energy saving & environmental protection and clean heating in the fields of coal, nonferrous metals, and chemicals, etc. Green technology sector is the leader in the development and application of new technologies in the fields of green mines, prevention & abatement of mining damage and intelligent monitoring of mine geological & environmental disasters. It has completed several engineering projects such as special survey and anti-deformation design for Tangshan and Xiahuayuan goafs, etc., making outstanding contributions to the implementation of the green development concept of ”Lucid waters and lush mountains are invaluable assets”. The Group Company has made great achievements and run its business all over the Chinese and international market. Under the leadership of mining design masters and coal preparation design masters, it has successively designed and built more than 60 large-scale and super-large scale underground coal mines & open-pit coal mines, more than 200 coal preparation plants, more than 20 national level coal stocking/blending centers & coal collection/distribution stations, more than 50 waste heat utilization projects, and more than 30 green mine and goaf treatment projects. It has also completed more than 60 EPC projects, including coal preparation plants, coal stocking/blending centers & coal collection/distribution stations, waste heat utilization, goaf treatment, oil shale and coal semi-coke. It has been operating more than 20 coal preparation plants. Equipment and system integration & intelligentization business are widely distributed in major domestic coal companies and exported to Australia, Russia, the United States, South Africa and Mozambique, etc. Fruitful achievements: DADI Company has always been adhering to the principle of “DADI Engineering, Customer Satisfaction” and won unanimous praise from the coal industry. Since 2008, it has been in the leading position among the top 100 list of contract value of completed EPC projects in China’s survey & design industry and occupies a leading position in the coal industry. Adhering to the corporate mission of “Prosperous enterprise, harmonious team, abundant staff and beautiful homeland”, Group Company strives to build an international engineering group with technology as the support, capital as the link, engineering as the guide, project as the carrier, equipment manufacturing as the core, and entrusted operation as the extension to serve the customers, thank employees and repay the society.

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Core Business
Engineering

Under the leadership of mining design masters and coal preparation design masters, Dadi Group has completed the planning and design tasks of many large or super-large open-pit coal mines, underground coal mines and coal preparation plants at home and abroad, including more than 50 underground coal mines and open-pit coal mines with capacity of 5 million tons or above, such as Sanjiao No. 1, Changcheng No. 3, Changtan, Dananhu, etc. And more than 100 coal preparation plants with capacity of 5 million ton or above, such as Daliuta 340Mt/a, Buertai 310Mt/a, etc. The planning and design tasks of the large-scale backbone projects of The Belt and Road Initiative, such as open-pit coal mines in Pakistan, have received great attention from CCTV.

EPC

Engineering Turn-key Project

Equipment Manufacturing and System Integration

Equipment Manufacturing and System Integration

Entrusted Operation

Energy Saving and Emission Reduction

Dadi Group is a state-level high-tech enterprise focusing on the development and application of green technology in mines. It carries out energy-saving, environmental protection and clean heating business in coal, non-ferrous metals, chemical industry and other fields. The company has dozens of core technology patents, among which the direct-cooled deep enthalpy exhaust heat pump and other technologies are domestically pioneered and internationally leading.

Green Mines

The Group is a leader in the development and application of new technologies in the fields of green mines, prevention and control of mining damage and intelligent monitoring of mine geological and environmental disasters. More than 40 projects of special survey and anti-deformation design for Tangshan and Xiayuan goafs have been completed successively, making outstanding contributions to the implementation of the green development concept of “Lucid waters and lush mountains are invaluable assets.”.

International Business

The Group has carried out engineering consulting, engineering design, EPC and mining equipment manufacturing and sales in Australia, Africa, America, Russia, Central Asia and other countries and regions, and has achieved gratifying results. At the same time, it entered the field of coal resource development. At present, there are 3,500 square kilometers of exploration rights in Australia, and the development of the mines is proceeding in an orderly manner, realizing a diversified leap from pure service industry to industrial development.
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Entrusted Operation

6. Fengjiachuan Coal Storage and Transportation System of Shanxi Shixin Railway Transportation and Sales Co., Ltd. (Total Circulation Volume 30 Mt/a)

The total coal circulation of Fengjiachuan coal storage and transportation system is 30.00Mt/a, of which 10.00Mt/a is for automobiles, 20.00Mt/a is for long-distance belt, 30.00Mt/a is for trains and 450,000 tons is for closed coal storage shed.
7. Hami Coal Preparation Plant of SDIC Hami Energy Development Co., Ltd. (12 Mt/a)

The washing process uses 150-13mm lump coal with heavy medium shallow separator, no separation of - 13mm final coal, dewatering and recovery of 3-0.25mm coarse slime with slime centrifuge, and dewatering and recovery of - 0.25mm fine slime with fast-opening diaphragm filter press.
8. Puxian Coal Preparation Plant, Puxian Energy Co., Ltd., Shanxi Coal Import and Export Group (3 Mt/a)

Primary and Secondary Pre-desliming and pressurized two-product dense medium cyclone is used for separation, TBS separation of coarse slime, slime flotation and tailings concentrating and filtering recovery.
9. Wangwa Coal Preparation Plant of Ningxia Wangwa Coal Industry Co., Ltd. (6 Mt/a)

It is a thermal coal preparation plant in mining area. It mainly washes raw coal in Wangwa Coal Mine and Wangwa No.2 Coal Mine. Its design service life is 76 years. Raw coal can be washed and processed to produce high quality lump clean coal and washed coal. The comprehensive calorific value of commercial coal can reach 4800 calories and above.

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Group Company Won the Bid for the“CPP equipment installation” project of Yangmahe CPP, Huineng Group: Time：2019-12-10

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About Us

Dadi Engineering Development (Group) Co., Ltd. (hereinafter referred to as Dadi Company) was established in 1995. It was a Sino-Australian joint venture approved and registered by the former Ministry of Foreign Trade and Economic Cooperation of China, and belonged to the former Ministry of Coal Industry. In 2007, Reform into a joint stock company with a registered capital of 110.068609 million yuan.

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