▲ Focus on building management, get the latest building policies in the country ▼ Focus on building management in Sichuan, get the latest building policies in the province Source: China Government Network, National Development and Reform Commission, Sichuan Provincial Development and Reform Commission, provincial and municipal governments, sorting: Duchuan Management Research Department,
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Difference of safety officer ABC Certificate – class a certificate is the main person in charge of the construction enterprise; Class B
