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Chosen Coal Industry Company

Chosen Coal Industry Company Ltd.
Native name
조선석탄공업주식회사
朝鮮石炭工業株式會社
Romanized name
Korean: Joseon Seoktaneop Jusikhoesa
Japanese: Chōsen Sekitan Kōgyō Kabushiki Kaisha
Formerly called
Chosen Synthetic Oil Company
조선합성유주식회사
朝鮮合成油株式会社
Kabushiki kaisha
Industry Mining, Railway
Fate Nationalised
Defunct 1945
Headquarters Haksong-ri, Korea
Ao Line
Overview
Other name(s) Obong Line (오봉선 (梧鳳線))
Native name 아오선 (Korean: Ao-seon)
阿梧線 (Japanese: Ao-sen)
Type Heavy rail,
Regional rail
Locale North Hamgyŏng
Termini Aoji
Obong
Stations 4
Operation
Opened 9 September 1938 (Aoji−Hoeam)
14 September 1942 (Hoeam−Obong)
Owner Chosen Coal Industry Company
Operator(s) Chosen Coal Industry Railway
Technical
Line length 10.4 km (6.5 mi)
Number of tracks Single track
Track gauge 1,435 mm (4 ft 8 12 in) standard gauge
Route map
Mantetsu North Chosen East Line
0.0 Aoji
Mantetsu North Chosen East Line
5.9 Hoeam
Chosen Synthetic Oil Company
7.5 Sinaoji(coal mine)
10.4 Obong(coal mine)

The Chosen Coal Industry Company (Japanese: 朝鮮石炭工業株式會社 Chōsen Sekitan Kōgyō Kabushiki Kaisha; Korean: 조선석탄공업주식회사 Joseon Seoktaneop Jusikhoesa) was a kabushiki kaisha in colonial Korea that operated collieries in Aoji, Sinaoji and Obong in Gyeongheung County, North Hamgyeong Province. In addition to the mines, after the Chosen Synthetic Oil Company opened a large factory in Aoji-ri (now Haksong-ri) in 1937 to produce synthetic oil from the bituminous coal mined in the area, the Chosen Coal Industry Company built a railway line, called the Ao Line, to connect its mines to the chemical factory and to the South Manchuria Railway's North Chosen East Line, opening the line in two parts in 1938 and 1942.

Following the partition of Korea and the establishment of North Korea, the company was nationalised. The Ao Line, along with all other railway lines in the country, was nationalised on 10 August 1946, becoming part of the Korean State Railway.


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