China has been one of the four cradles of civilization. In the past five thousand years, the Chinese had been taking the leading role in tenological development for a long period of time. Great achievements were made. The Chinese invented the compass, gunpowder, and developed the method of writing and paper-making. But would you wonder how they were invented? How were they developed into the ones we use nowadays? How do they contribute to our daily life? Through this web page, you'll find the answers to these questions.

We have divided the content of this web page into several aspects as follows:
 

*If you are not familiar with the time sequence of the Chinese history, we recommend you to have a look at the Time Line.