The 6th Plenary Session of ISO/TC309 was held online from November 2 to 6, 2020.More than 80 experts from the UK, the US, China, France, Australia, Germany, Trinidad and Tobago, Malaysia, India, Austria and other countries attended the meeting online.Affected by the COVID-19 pandemic, the plenary Session was held online. The previous five plenary sessions were held in London (UK), Quebec (Canada), Shenzhen (China), Sydney (Australia) and New Delhi (India) respectively.Mr. Zheng Bo, CEO of Mystuff Standardization Firm, attended the online plenary session as a registered expert of ISO/TC309.