1. According to the Measures for Tendering and Bidding of Goods for Construction Projects: "Article 25 The technical specifications specified in the tender documents shall comply with the provisions of national technical regulations. All technical specifications specified in the tender documents shall not require or indicate a specific patented technology, trademark, name, design, country of origin or supplier, and shall not contain other contents that tend to or exclude potential bidders. If it is necessary to quote the technical specifications of a supplier to accurately or clearly explain the technical specifications of the goods to be tendered, the words "or equivalent" should be added after the reference. "
2. According to the Administrative Measures on Bidding for Government Procurement of Goods and Services: "Article 6 No unit or individual may obstruct or restrict suppliers from freely participating in bidding for goods and services, and may not designate brands of goods, suppliers of services and procurement agencies, or illegally interfere in bidding for goods and services by other means."
3. According to the Implementation Measures for Centralized Government Procurement Management of Central Units: "Article 26 The central units shall not designate suppliers or brands or put forward exclusive requirements in business and technology when entrusting specific procurement projects."
to sum up, brands cannot be specified for all bidding projects, otherwise it is illegal.
Relevant laws and regulations:
Regulations for the Implementation of the Bidding Law
Article 32 A tenderer may not restrict or exclude potential bidders or bidders with unreasonable conditions.
A tenderer who commits one of the following acts is deemed to restrict or exclude potential bidders or bidders with unreasonable conditions:
(1) Providing different project information to potential bidders or bidders for the same project subject to tender;
(2) The qualifications, technology and business conditions set are not suitable for the specific characteristics and actual needs of the project subject to tender or have nothing to do with the performance of the contract;
(3) The performance and awards of a specific administrative region or a specific industry shall be used as bonus points or bid-winning conditions for projects that must be subject to tender according to law;
(4) adopting different qualification examination or bid evaluation criteria for potential bidders or bidders;
(5) limiting or designating a specific patent, trademark, brand, country of origin or supplier;
(6) The ownership form or organization form of potential bidders or bidders is illegally restricted for projects that must be subject to tender according to law;
(7) restricting or excluding potential bidders or bidders with other unreasonable conditions.
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