In Mr zhang s business, every second counts.

You have to hand it directly to the person.

He makes efforts to ensure the right person gets right packages.

Otherwise, he may get fined.

Nearly one quarter of them work more than 12 hours a day, seven days a week. A majority work more than eight hours a day each day of a week.

I am here to make money, said Mr zhan. A 28 year old former coal miner from shangxi province who is saving money to build a home, widely seen in the countryside as indispensable in attracting a wife.

I am not diligent now, i am going to regret it.

China hopes to move away from manufacturing and seeks to build a more service oriented economy driven by accountants, lawyers, and other professionals.

Frankly it's not a very good job, it's extremely tiring, the salary is not high, and the responsibility and risk are great. So they don't have a stable work force.