Lawyer: your overseas ＂private money＂ can't hide!

Many people think that foreign income, overseas income, so long as you don't send to open an offshore account or deposit, need not go back to China tax, tax authorities in China also can not check anyway.
There are also a number of ways to avoid taxes across borders: to give up your nationality, for example, to avoid taxes on your home country;
For example, moving the company's headquarters directly to a country where the tax rate is low;
Many entrepreneurs do foreign trade business, for example, to set up offshore tax havens "shell company", and then shipped from China, but the use of "shell company" overseas payment, money precipitation abroad, in order to escape the domestic tax collection and administration.
Now, that may not work, but why?