Did China have any ancient explorers

I don’t know about ancient, but in the early 1400s the admiralCheng Ho, in a series of seven voyages, explored and madediplomatic contact with south east asia, India, the Persian Gulf,Africa and the islands of the Pacific. Michael Montagne There was adiplomatic mission carried out by Zhang Chen during the reign ofEmperor Han Wudi (Western Han Dynasty)to seek out allies in CentralAsia to fight against the XiongNu tribes that is bordering the Handuring that time. He is also credited with the opening of the SilkRoute from Chang’An (today’s Xi’an) to Rome. An another explorerwas the Zheng He