From 1757 to 1842,Guangzhou was officially recognized as the center of China’s foreign trade.In fact, the official decree merely established the accomplished fact in the form of a decree.The degree of expertise of Guangzhou merchants and officials in negotiating and
Dongguan,as a prefecture-level city in Guangdong Province,is one of the central cities in the Pearl River Delta of China.It shares the same important geographical location as Guangzhou,which is why Dongguan is labeled as a “world factory” and has an annual
With the improvement of domestic and foreign consumption levels and the change in business models of enterprises, the demand for inspection at home and abroad has risen and increased in order to promote sustainable development and improve product quality. Many
