Legal basis: People's Republic of China (PRC) Product Quality Law.
Article 5 It is forbidden to forge or fraudulently use quality marks such as certification marks; It is forbidden to forge the origin of products, forge or falsely use the name and address of others; It is forbidden to adulterate and adulterate the products produced and sold, and to pass the fake off as the real one and pass the inferior one as the good one.
Article 10 Any unit or individual has the right to report any violation of this Law to the product quality supervision department or other relevant departments. Product quality supervision departments and relevant departments shall keep confidential the informants and reward them in accordance with the provisions of the people's governments of provinces, autonomous regions and municipalities directly under the Central Government. So, you can complain to the local technical supervision bureau, if you can trace the counterfeiters.