Private enterprises with less than 3,000 square meters in Yueyang can build their own factories without supervision.

Hello, you don't need supervision, but supervision is more professional, and it is safer to appoint supervision.

Supplementary information: The following construction projects must be supervised: (1) National key construction projects; (2) Large and medium-sized public utility projects; (3) Development and construction of residential district projects; (4) Projects using loans or aid funds from foreign governments or international organizations; (five) other projects that the state must supervise.