China has established a National Institute of Metrology for Materials Industry at two metrology institutes in Shenzhen and Beijing, at the China Metrology Research Institute in Shenzhen, and the Beijing Measure Detection Science Academy. They will focus on standardization and quality assurance of graphene materials and provide reference materials. In China, more than 10 listed companies are working on researching and manufacturing graphene-based products, usually graphene conductive materials, flexible displays, and thermally conductive materials. They produce graphene sheets and powders in large quantities.
JST China news, October 22, 2021