1) Desire to protect folk culture. People have an innate desire to protect and carry on their folk culture and adoption of new culture may interfere with that vision. 2) Fear of change or outside influences. People might have a fear that the outside culture will influence them in many undesirable ways which can prevent the adoption.
The district coordination committee is elected by the District Assembly, which consists of the Heads and Deputy Heads of all the rural municipalities and Mayors and Deputy Mayors of all the municipalities in the district.
They pretty much had all they needed resource-wise in the country, trade was not a prerogative and even though Zheng He did go out exploring they were not interested in colonies or mercantilism.
Mercantilism was pretty much frowned upon within the Confucian system, merchants did not produce goods they moved them around and made money which made them a drain on the system. The few who were enterprising and maybe came up with some new product might often find themselves in competition from the government
The Emperor system considered itself the center of the world, the focus of the heavens. When outsiders came they gave tribute and fealty to the Emperor, so the outside world came to them, they did not need to go out