Chàm Islands’ bird's nest products get GI certification stockbot 0 439 2021.04.28 22:33 http://vietnamnews.vn/society/935444/cham-islands-birds-nest-products-… + 25 https://vietnamnews.vn/rss/society.rss + 11 After four years of preparations, the National Office of Intellectual Property of Việt Nam has granted Geographical Indication (GI) to the Chàm Islands bird’s nest products.