Is Yili’s cheap milk powder in bags safe? Yili is a well-known dairy company in China and has a good reputation in the field of dairy products. The cheap milk powder in bags launched by Yili is very popular in the market, but consumers also have certain concerns about its quality and safety. Production Methods and Quality Control The production method of cheap milk powder in bags is different from that of ordinary milk powder. Manufacturers add protein to milk powder to make the product more relevant to consumer tastes. same