Group 1 - A batch of "Meilin" brand canned shredded pork with pickled vegetables was found to have excessive residues of veterinary drug sulfanilamide, according to an announcement from the Macau Municipal Bureau on December 5 [1] - The affected products did not enter the market, and the company Guangming Meat Industry clarified that the implicated product is not under its brand but rather belongs to COFCO Group's COFCO Meilin [1] - There are two distinct "Meilin" brands in the domestic market, operated by different companies, which originated from a historical licensing agreement in the 1950s for export purposes [1]