The Phase I project of Taiyuan Metro Line 1 is an inverted L-shaped urban backbone line from northwest to southeast, with a total length of 28.737 kilometers and 24 underground stations. On September 15, 2021, the first shield tunneling machine "Jinlong No.1" started from the right line of the section from Dongtaibao Station to Nanneihuan Dongjie Station. As of November 24, 2023, with an interval of 800 days, the entire line has achieved "tunnel connection". Taiyuan Metro Line 1 is a new generation urban rail transit system that utilizes a series of high-tech technologies such as modern computers, communication, control, and system integration to achieve full automation of train operation.

For this project, NCC Boheng is fully responsible for Taiyuan Metro Line 1 The work content of the blowing and sweeping room components adopts a self contracting and material packaging method. The specifications, quantity, and quality requirements of the materials are based on the drawings of Party A, and the quality direction is accurately controlled to ensure the perfect progress of the process.