What you want to ask is, what are the letters at the bottom of Yili's 24 boxes of pure milk? The letters at the bottom of the box are SIG or Tera Pak.

The letters SIG and Tera Pak at the bottom of Yili pure milk represent the packaging brand.

Yili pure milk packaging SIG means Combibloc. Combibloc belongs to SIG Group, a Swiss listed company, which comes from Germany and is a company that supplies aseptic paper packaging systems to the whole world, and has factories in many parts of the world.

Tetra Pak packaging is a packaging product developed by Tetra Pak in Sweden for liquid food, and Tetra Pak accounts for 95% of the beverage packaging market in China. This company is also one of the first companies to provide packaging for Yili liquid milk, and Tetra Pak has been mainly engaged in the packaging of dairy products, and basically does not do the packaging of juice.