On March 7th, Hebei Meikeduo Group Company, on the basis of carefully collating data and repeatedly adding and deleting corrections, successively issued five drafts, finally paid for printing, and submitted the application to Hebei Provincial Administration for Industry and Commerce for preliminary examination. On March 11th, according to the opinions of the Provincial Bureau, the materials were further enriched and improved. Finally, the application materials were submitted to the Trademark Office of the State Administration for Industry and Commerce, which was soon to be approved.