EU Trademark Classification EU35 Advertising and business 为商业企业提供管理协助（57151） Class 35 为商业企业提供管理协助 57151 Chinese 为商业企业提供管理协助 English Management assistance to commercial firms Site ref. 57151 Class 35 Included in Harmonised Database (HDB), WIPO Madrid Goods and Services (MGS)