Gujiao (Chinese: 古交市; pinyin: Gǔjiāo Shì) is a county-level city of Shanxi Province, North China, it is under the administration of the prefecture-level city of Taiyuan.
[2] The economy of Gujiao is largely based on coal-related industries, with major companies in coal, coal-chemistry, electricity, metallic parts casting, construction materials, etc.
In 691 AD, the county seat of Jiaocheng was moved to Dalingzhuang, part of today's Jiaocheng County, in order to get easier access of the national roads of Sui dynasty.
[2] In 1958, Gujiao industrial and mining district (古交工矿区) of Taiyuan was established.
The coalbed methane reserve is about 5.66 billion cubic meters.