Reference is as follows:
Relating to the social public **** interests, public safety of infrastructure and public utilities of the project, to the extent of the following scale must be tendered:
(a) construction of a single contract estimated at one million and a half million yuan RMB
(ii) Procurement of important equipment, materials, medical equipment, medicines and other goods, where the estimated price of a single contract is more than RMB 500,000;
(iii) Procurement of services such as survey, design, supervision, scientific research, etc., where the estimated price of a single contract is more than RMB 300,000;
(iv) Projects with an estimated price of a single contract lower than the price of items (i), (ii), (iii) and (iv) must be put out to tender. ), and (iii), but the total investment amount is more than ten million RMB;
(v) the selection of the investment main body of a government franchise project with a total investment amount of more than ten million RMB;
(vi) the selection of the organizer of a government investment project with a total investment amount of more than ten million RMB;
(vii) the selection of the operating right of a road, water supply, electric power, etc., with an annual operating amount of more than ten million RMB. and other operating rights of the choice.
Projects for which bidding is required by law, and all of which are invested with state-owned funds or in which state-owned funds account for a controlling or dominant share of the investment, shall be openly tendered. Among them, the following projects approved by the provincial people's government, can be invited to tender:
(a) technical complexity or special requirements;
(b) special requirements for the protection of proprietary technology and patent rights;
(c) subject to the natural resources or environmental restrictions.