Article 11 In government procurement activities, purchasers should safeguard national interests and social public interests, be fair and honest, be honest and trustworthy, implement government procurement policies, establish an internal management system for government procurement, practise economy, and determine procurement requirements scientifically and reasonably.
The purchaser shall not ask or accept gifts, kickbacks or other goods and services unrelated to procurement from the supplier.
Article 20 A purchaser or procurement agency shall treat or discriminate against suppliers under unreasonable conditions in any of the following circumstances:
(1) Providing suppliers with different project information of the same procurement project;
(2) The qualifications, technology and commercial conditions set are not suitable for the specific characteristics and actual needs of the procurement project or have nothing to do with the performance of the contract;
(3) The technical and service requirements in procurement requirements point to specific suppliers and products;
(4) Taking the achievements and awards of a specific administrative region or a specific industry as the conditions for extra points or winning the bid and closing the transaction;
(five) adopt different qualification examination or evaluation criteria for suppliers;
(6) Restricting or designating specific patents, trademarks, brands or suppliers;
(seven) illegal restrictions on the form of ownership, organization or location of suppliers;
(eight) to restrict or exclude potential suppliers by other unreasonable conditions.
He doesn't meet any of these two articles. This is the law of the country and it is common everywhere.