Riding on Chengdu Metro Line 3, you can reach various historic sites that are more than one thousand years old. The metro line's mission is to provide convenience for sightseeing and mitigate urban traffic issues. Apart from providing optimized transportation to Chengdu's residents and visitors, Chengdu Metro Line 3 also drives the market expansion of TCT's independently developed communications-based train control (CBTC) technology.

TCT is the first and the only high-tech company in China that has independently developed the CBTC signaling system technology. Chengdu Metro Line 3 is the first metro line outside Beijing that has adopted the CBTC technology of TCT.