Address: Dan Chu Area, Mao Khe Ward, Dong Trieu Town, Quang Ninh Province
Tel:(84-203) 3871240-3871720
Fax:(84-203) 3871375
Email: maokhe@vinacoal.com.vn; thanmaokhe@vnn.vn; thanmaokhe.vn
Website:http://thanmaokhe.vn
Activities:
- Exploitatiion, process and consumption of coal.
- Construction of the mine.
- Producing and trading in construction materials.
- Transport of road and railways.
- Repair mining equipment, mean of transport.
- Manufacturing chain ring and mechanical products.
- Agent petroleum.
- Producing and trading in purified water.
- Design, construction and installation of industrial, transport and civil works.
- Manufacturing mine equipment and vehicles.
Update:Wednesday, April 1,2020

Address: Vinh Phu Quarter, Mao Khe Ward, Dong Trieu Town, Quang Ninh Province
Tel:(84-203) 3872141-3872114
Activities:
- Trading in coal.
- Transport services.
- Trading, mining, processing building materials.
Update:Friday, February 28,2020

Address: Group 11, Area No.2, Hong Ha Ward, Ha Long City, Quang Ninh Province
Tel:(84-203) 3839155
Fax:(84-203) 3838019
Email: tungbachcorpvn@vnn.vn
Activities:
- Transporting by waterway.
- Earth levelling.
- Trading in coal.
- Food and drink services.
Update:Friday, February 28,2020

Address: Vinh Xuan Area, Mao Khe Town, Dong Trieu Dist., Quang Ninh Province
Tel:(84-203) 3871889
Fax:(84-203) 3871889
Activities:
- General trade.
- Trading and processing coal.
- Earth levelling.
- Transporting by road and waterway.
Update:Thursday, February 27,2020

Address: Tan Lap Hamlet, Phuong Dong Ward, Uong Bi City, Quang Ninh Province
Tel:(84-203) 3854490
Fax:(84-203) 3854314
Website:http://www.thanhongthai.vn
Activities:
- Mining coal and digging kilns to prepare for production.
Update:Wednesday, February 26,2020

Address: 162 Le Thanh Tong St., Bach Dang Ward, Ha Long City, Quang Ninh Province
Tel:(84-203) 3828024-3828026
Fax:(84-203) 3828025
Email: congtytmhl@yahoo.com
Activities:
- Trading in electric equipment, vehicles, coal and building materials.
- Producing paper.
- Construction.
Update:Wednesday, February 26,2020

Address: New Urban Area, Cao Xanh Ward, Ha Long City, Quang Ninh Province
Tel:(84-203) 3825607
Fax:(84-203) 3828687
Activities:
- Processing and trading in coal.
- Forwarding coal.
- Mining coal.
- Transport by waterway and road.
- Loading and unloading coal and solid.
- Activities in support of transport.
- Construction and installation mine, industrial, transport, civil and infrastructure works, electric lines.
- Prepare surface.
- Completing construction.
- Managing and supervising construction investment and construction.
Update:Wednesday, February 26,2020

Address: No.468 Doi Can St., Cong Vi Ward, Ba Dinh Dist., Ha Noi
Tel:(84-24) 37930373
Fax:(84-24) 37627701
Email: ctythanhanoi@gmail.com
Activities:
- Producing and trading in coal.
- Construction.
- General trading.
Update:Wednesday, January 22,2020

Address: Cam Phu Quarter, Cam Pha City, Quang Ninh Province
Tel:(84-203) 3862062
Fax:(84-203) 3729336
Email: contact@cocsau.com
Website:www.cocsau.com
Activities:
- Mining, processing and trading in coal and other minerals.
- Construction of mining, industry, civil works.
- Ground leveling.
- Manufacturing, repairing, processing and mining equipment, transport vehicles, and mechanical products.
- Transport by road, railway, waterway.
- Production of rubber items.
- Manufacturing and trading in construction materials.
- Exploiting retail port.
- Hotel and tourist serrvices.
Update:Wednesday, January 1,2020

Address: 158 Le Thanh Tong St., Bach Dang Ward, Ha Long City, Quang Ninh Province
Tel:(84-203) 3825208-3825082-3826545
Fax:(84-203) 3825018
Activities:
- Trading in farm products, food, building materials, coal.
- Processing iodine salt.
- Producing beer.
- Restaurant business.
Update:Wednesday, January 1,2020