A scheme to improve the traceability of products in companies’ supply chains has been upgraded using a trio of international standards as consumers grow increasingly worried about food safety amid the coronavirus pandemic.The local branch of global supply chain standards organisation GS1 teamed up with third-party quality auditor SGS Hong Kong to launch the upgraded Quality Food Scheme+.Under the new scheme, companies will be assessed not only under the GS1 Global Traceability Standard (GTS),…