Background
Mr. Sun Tso-chang was born in 1886 in Liaoyang Hsien, China.
祖昌 孙
Mr. Sun Tso-chang was born in 1886 in Liaoyang Hsien, China.
Mr. Sun Tso-chang graduated from the Peking Imperial University in Beijing Shi, China before the Republic.
In March 1912 Mr. Sun was appointed Director of the Provincial Industrial School in Yingkou, China. After a few months, the school was moved to Shenyang, China and the name was changed to Fengtien Provincial Industrial College. Mr. Sun was then appointed its President. In 1916 he was appointed a general director of the Fengtien Electric Light Company of Mukden.
In 1920 he was transferred to be the general director of the Yuan Lin Forestry Company of Hailunkiang. In the following year, he was appointed concurrently the general director of Ho Kang Coal Mine Company of Hailunkiang. He was at the same time the general manager of the Government Navigation Company of Hailunkiang and Sunhuakiang.
In May 1922 Mr. Sun received an appointment as Councillor to the Military and Civil Governors of Kirin province and in October of the same year, he was transferred to Mukden to be general manager of the Mukden Cotton Mill Company which was practically the biggest industrial enterprise in the Manchurian provinces.