SHENZHEN, China , Nov. 26, 2021 /PRNewswire/ — The Grand Final of the 2021 PHBS-CJBS Global Pitch Competition was held on November 12 in Shenzhen, China . As one of the key events of the “2021 National Mass Innovation and Entrepreneurship Week & the 7th Shenzhen International Maker Week “, the event attracted more than 3,000 investors, startup entrepreneurs, and audience, both on-site and online.…