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 France (-) Hong Kong Thailand Benefits Traceability Standards GTIN 1D barcodes Services Verified by GS1 GDSN Type of organisation (-) Retailer (-) Hong Kong (-) General merchandise (-) Retailer Clear all filters Showing 1 results Chow Tai Fook Jewellery Group: Keeping a Diamond Promise of Authenticity