Surface water refers to the water existing on the surface of the earth's crust and exposed to the atmosphere. It is the general name of rivers, glaciers, lakes and swamps, also known as "land water". It is one of the important water sources for human life and the main component of water resources in various countries.
1. Why does Dongguan stop issuing freight business qualification certificates now?
Dongguan is now withholding the freight busines