 HANGZHOU, China, April 28, 2021 PRNewswire -- BEST Inc. NYSE: BEST BEST or the Company, a leading integrated smart supply chain solutions and logistics services provider in China, today announced that it filed its annual report on Form 20-F for the fiscal year ended December 31, 2020 with the Securities and Exchange Commission SEC on April 16, 2021. The annual report can be accessed on the SECs website at as well as on the Companys investor relations website at 