Recently, as the cutterhead of the "Pioneer No. 1" shield machine slowly began to rotate, the shield for the right-line tunnel of the Hongqiao-Yingbin section from the intermediate shield receiving shaft to Yingbin No. 3 Road Station was launched from the north end shaft of Yingbin No. 3 Road Station. This is also the first shield machine launched in the Jiamin Line project.

The tunnel of the Hongqiao-Yingbin section from the intermediate shield receiving shaft to Yingbin No. 3 Road Station is approximately 338.4 meters long, with a maximum longitudinal slope of 29.4‰ and a tunnel crown depth of 6.33 to 17.45 meters. Two 9-meter-class earth pressure balance shield machines are used for construction, with both lines launched from Yingbin No. 3 Road Station and driven to the receiving shaft at Hongqiao Station. Among them, the "Pioneer No. 1" shield machine is responsible for driving the right line of the section, while the other "Pioneer No. 2" shield machine is responsible for driving the left line of the section and has now completed commissioning.