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Oct. 2013, gain qualifications including a Grade-3 general contractor of construction of electric power engineering, a Grade-3 specialist contractor of Embankment Projects, a Grade-3 specialist contractor of environmental protection projects and a Grade-3 specialist contractor of river and lake renovating projects, etc.

Oct. 2013, gain qualifications including a Grade-3 general contractor of construction of electric power engineering, a Grade-3 specialist contractor of Embankment Projects, a Grade-3 specialist contractor of environmental protection projects and a Grade-3 specialist contractor of river and lake renovating projects, etc.