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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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Wonderful moments

Green Mines

Performance Introduction (5)

1. Anti-deformation Design of Lanting Huafu Phase III Building in Guzhi District of Tangshan City
2. Technical Service of Grouting Treatment for Goaf in Lanting Huafu Phase III, Guzhi District, Tangshan City
3. Construction of Goaf Control Project in Xiahuayuan District (Shengji Machinery Manufacturing Project)
4. Construction of Goaf Treatment Project (Carbon Fiber Project) in Xiahuayuan District
5. Anti-Deformation Design of A5 Workshop of Comprehensive Warehouse, Office Building and Restaurant Activity Center 800 Million Ampere-hour /annually Power (energy storage) Lithium Battery Production Line of Zhangjiakou Longchi Technological Co., Ltd.
Performance Introduction (6)

1．Feasibility Report on Overlaid Coal Resources Exploitation of Tongtong No. 1 Coal Mine of Chongqing Songzao Coal and Electricity Co., Ltd. by Gas station of Chongqing Qijiang District Xingbian Commerce and Trade Co., Ltd.
2．Foundation Stability Evaluation and Deformation Resistance Design of Goaf in the Proposed Area of Heating Project in Northern District of Hegang City
3．Safety Assessment of Mining Impact of Tongtong Town Commercial Project of Tongtong Town, Qijiang District, Chongqing
4．Ground Stability Evaluation of Goaf in Jiangjia Commercial City Project of Qijiang District, Chongqing
5．Evaluation of Separation Grouting Effect of Chongqing Nantong Cement Company
Performance Introduction (7)

1. Ground Stability Evaluation and Special Survey of Goaf of Tangshan Nanhu Eco-city Development and Construction Investment Co., Ltd.
2. Ground Stability Evaluation of Mined-out Areas in South and North Areas of Shigou Coal Mine, Chongqing Nengtou Yuxin Energy Co., Ltd.
3. Feasibility Study on Mining Under Village Buildings in North Fourth Mining Area of Shigou Coal Mine, Chongqing Nengtou Yuxin Energy Co., Ltd.
4. Special Evaluation of Stability of Mining Subsidence Area in Hegang City (Phase I)
5. Special survey of goaf in Passive Garden Doors and Windows and Energy-saving Building Materials Production in Xiayuan Economic Development Zone of Zhangjiakou, Hebei Province
Performance introduction (8)

1. Special Survey of Mined-out Areas of Small and Medium-sized Enterprises Entrepreneurship Center and Other Projects in Xiahuayuan Economic Development Zone, Zhangjiakou, Hebei
2. Management Committee of Xiahuayuan Economic Development Zone, Zhangjiakou, Hebei Province, Government Procurement of Goaf Special Survey Project, such as Scientific and Technological Remote Sensing in Xiahuayuan Economic Development Zone, Zhangjiakou, Hebei Province
3. Design and Construction of Weiwulu-Bridge Goaf Treatment Project of Supporting Projects outside Shanty Towns with Deep Coal Mining in Hegang City, Heilongjiang Province
4. Construction of Electronic Information Park, Shengji Machinery Manufacturing Project, Carbon Fiber Project, Standardized Workshop of Area I Project and Passive Door and Window Construction in Xiayuan Mined-out Area Governance Project of Zhangjiakou Xiayuan Zhenyuan Park Development Co., Ltd.

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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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