Riding the subway every day, a smooth and safe journey often feels like a given. But did you know that an "invisible hero" is working quietly behind the scenes? It's the steel segment.

In Fengqiu County, Henan Province, Henan Suitong Machinery Co., Ltd. has stayed focused on this niche product. Through specialization and a long-term commitment to quality, the company has exported its steel segments to Singapore, Malaysia, and other countries. 

Follow reporter Tong from Henan International Communication Center as he takes a closer look at how the company is achieving major breakthroughs in a small but vital market.

Web editors: Shen Jianqi, Tong Lin