Legal basis: Article 66 of the Bidding Law of People's Republic of China (PRC) involves national security, state secrets, emergency rescue and disaster relief, or projects that are not suitable for bidding due to special circumstances such as the use of poverty alleviation funds to replace work and the need to use migrant workers, according to relevant state regulations, bidding may not be conducted.
Article 9 of the Regulations for the Implementation of the Bidding Law of People's Republic of China (PRC) * * * Except for the special circumstances stipulated in Article 66 of the Bidding Law, no bidding shall be conducted under any of the following circumstances: 1 Must adopt irreplaceable patents or proprietary technologies; 2. The purchaser can build, produce or provide it by himself according to law; 3. Investors who have selected franchise projects through bidding can build, produce or provide them by themselves according to law; 4. It is necessary to purchase the project, goods or services from the original winning bidder, otherwise the construction or functional requirements will be affected; 5. Other special circumstances stipulated by the state.