If the Chinese were ahead of Europe technologically speaking by centuries?

Question: If the Chinese were ahead of Europe technologically speaking by centuries!?

What would be some of the causes for the (relative) decline compared to the Europeans!.Www@QuestionHome@Com

Best Answer - Chosen by Asker:

The Chinese were also very isolationalistic in politics and in that scheme outsiders were not really welcomed and by closing their doors to the western world it would eventually lead for Europe to advance in the technology of the timeWww@QuestionHome@Com