The second Shenzhen International Biotech Innovation Exhibition was held at the Shenzhen Convention and Exhibition Center in Futian District through Sept.25. The event has attracted 116 enterprises from more than 10 countries and regions, including America, South Korea, Japan, India and Singapore. A representative of Liancheng Overseas Fishery (Shenzhen) Co. explains to visitors how to make full use of tuna with the latest biotechnology at the event on the opening day. (Photos by Sun Yuchen)