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Is China Coal Building Five or Three Powerful Countries or China Coal Building Three Powerful Countries?

China Coal Sanjian is very powerful.

1, China Coal Third Construction Company is larger than China Coal Fifth Construction Company. China Coal No.3 Construction Company is a large-scale construction enterprise group with cross-industry and diversified operation, while China Coal No.5 Construction Company is an enterprise mainly engaged in mining and auxiliary activities.

2. The business of China Coal Third Construction Company is wider than that of China Coal Fifth Construction Company. China Coal Sanjian Company is mainly engaged in various mine buildings such as coal and metallurgy, and various ground industrial buildings such as steel, building materials, chemicals and electric power. The third construction company of China Coal is mainly engaged in mine construction and also engaged in industrial and civil construction, so the third engineering company of China Coal is more powerful.