Before Sanlu went bankrupt, Junlebao was a subsidiary of Sanlu. Later, it was acquired by Sanyuan Group after Sanlu went bankrupt. Junlebao is another independent milk powder company.

Junlebao has a connection with the Sanlu Group, but it is not that the Sanlu Group has changed its name and come back again. Junlebao produced milk powder six years after the collapse of Sanlu Group. In that year, the main core assets of Sanlu Group (including factories and equipment) had been owned by Sanyuan Group. Over the past 10 years, China's milk powder production model has undergone "tremendous" changes. It is no longer the way retail households and small farms purchased raw milk. Strict limit standards for melamine in dairy products have also been established. Since then, there have been no instances of samples exceeding the limit. Condition.

During this period, strict control policies such as new milk powder national standards, milk powder production license review rules, formula registration system, and monthly sampling system have been released one after another.