According to my country's "Interim Provisions on the Recognition and Management of Well-known Trademarks", enterprises applying for recognition of well-known trademarks must submit the following supporting documents:
(1) The goods using the trademark are in China Sales volume and sales area;
(2), the main economic indicators (annual output, sales, profits, market share) of the goods using the trademark in the past three years and their performance among Chinese counterparts. Ranking;
(3) Sales volume and sales area of ??goods using the trademark in foreign countries (regions);
(4) Advertisement release of the trademark;
(5) The earliest time of use and continuous use of the trademark;
(6) The registration status of the trademark in China and foreign countries (regions);
(7) The registration status of the trademark Other documents proving that the trademark is well-known.