 The left bank yields to Xiamen before reaching the sea, the right bank becomes the south shore of Xiamen Bay and is home to the Zhangzhou Port tariff-free industrial export zone, in Longhai's Gangwei Town.Longhai has a population of 801,100.Following the revocation of the sea ban ("haijin") in the late Ming, Yuegang (within present-day Haicheng in Longhai) became a key port for China's silver trade with Manila in the Spanish Philippines.