The bidding has begun. A tenderer may entrust a bidding agency to conduct bidding, or may conduct bidding by himself (but the filing procedures are complicated), and most of them are bidding agencies (i.e. bidding companies).
Legal basis:
Regulations of People's Republic of China (PRC) Municipality on the Implementation of the Bidding Law
Article 3 The specific scope and scale standards of construction projects that must be subject to tender according to law shall be formulated by the development and reform department of the State Council in conjunction with the relevant departments of the State Council, and promulgated for implementation after being approved by the State Council.
Article 4 The development and reform department of the State Council shall guide and coordinate the national bidding work, and supervise and inspect the bidding activities of major national construction projects. The State Council industry and information technology, housing and urban construction, transportation, railways, water conservancy, commerce and other departments, in accordance with the provisions of the division of responsibilities to supervise the bidding activities.
The development and reform departments of local people's governments at or above the county level shall guide and coordinate the bidding work within their respective administrative areas. The relevant departments of the local people's governments at or above the county level shall, in accordance with the prescribed division of responsibilities, supervise the bidding activities and investigate and deal with illegal acts in bidding activities according to law. Where the local people's governments at or above the county level have other provisions on the division of supervisory responsibilities related to bidding activities of their subordinate departments, such provisions shall prevail.