Case studies Welcome to the central library for all GS1 case studies. Use search or filters to discover case studies related to specific topics such as benefit, industry, service, standard or location. Search Industry Retail Consumer packaged goods (CPG) Apparel Fresh foods (-) General merchandise Marketplaces Healthcare Transport & Logistics (-) Technical Industries Foodservice Public sector Region Asia Pacific Country Australia Belgium Finland France Germany (-) Hong Kong Hungary Ireland Peru Portugal Slovakia Spain Thailand United Kingdom United States Benefits Traceability Standards GTIN 1D barcodes Services Verified by GS1 GDSN Type of organisation Retailer (-) Hong Kong (-) General merchandise (-) Technical Industries Clear all filters Showing 1 results Chow Tai Fook Jewellery Group: Keeping a Diamond Promise of Authenticity