On August 25, 2023, the Department of Science and Technology of Ho Chi Minh City held a workshop on "Fixed microalgae farming technology on Twin - Layer system and application of functional food production". This is one of the activities of the Ho Chi Minh City Technology Exchange in 2023, implemented by Science and Technology Information and Statistics Center (CESTI, under Ho Chi Minh City Department of Science and Technology), with 2 forms: directly at No.79 Truong Dinh, Ben Thanh ward, District 1, Ho Chi Minh City and combined online on the Google Meet platform. Attending the seminar, on the side of the Organization Board, there were Mr. Nguyen Duc Tuan - Acting Director of CESTI.