There really aren't any.

Delivery drivers work up to 12 hours a day, climb at least 100 flights of stairs daily, and are exposed to the wind, sun, and rain. The salary is at most a little over 40,000.

Don't even think about getting one day off after seven days of work; there are usually only six days off per month. They often have to work more than seven consecutive days before getting a day off. The stretch before Lunar New Year is even longer because leave is prohibited.

The year-end bonus is only a few thousand, and the gifts for the three major holidays are terribly cheap—it's hardly worth sending them.

There are very few refrigerated trucks, so refrigerated goods are delivered as if they were at room temperature. It's extremely unscrupulous.

Looking at the many records of labor law violations, you can tell that this is an unscrupulous company.