Since the Chinese traditional locks were replaced by pin tumbler locks which had been introduced from the West World, the whole traditional handicraft industry system of lock have been crashed into pieces and scattered in the faraway countryside.

On the basis of the new edition of " Foreign CivilisationsIntroduced to Medieval China" , the author looks back and evaluates studiesof the interaction of medieval China and foreign civilisations conductedover the past half century, noting the importance of this scholarship andthe emotional involvement in research in the humanities and social sciences.

Evolution of the Ancient Chinese Sitting Posture and the Sitting Instruments;

Seeking for Scicntism of Management in Ancient Chinese Society;

The ancient Chinese costume is a grand cultural treasure of long history.

Relationship between education cultural perspectives and Chinese ancient management thought;

As an interpretation system of history, Chinese ancient legends cover some specific views of Chinese ancient technology value and function.

Chinese ancient concept of harmony takes"gradation and difference","pure mind with few desires"and"harmony of man with nature"as its basic spirit.

A Ponder on the Enlightenment Educational Ideology in Ancient China;

Analysis on the Theory of Literati OK in Ancient China;

Evolution of water right system of Yellow River basin in ancient China(Vol.2);

The Techniques of Determination and Appraisal for Gold and Silver in Ancient China;

Preparotion Technology & Application of Gold Powder in Ancient China and India;

Medicine Exchange Between Ancient China and West Asia;