Core Viewpoint - The construction of the Xiamen section of the Xiamen-Jinmen Bridge has made significant progress with the commencement of shield tunneling using the 16-meter diameter shield machine "Xiamen" [1] Group 1 - The Xiamen-Jinmen Bridge is a key project in Fujian Province [1] - The tunnel being constructed is the largest diameter shield tunnel in Fujian [1] - The shield tunneling phase officially began on June 8 [1]