Workers install catenary systems at the construction site of Suihua South Station of the Harbin-Yichun high-speed railway in Suihua, northeast China's Heilongjiang Province, March 13, 2026. (Xinhua/Zhang Tao)

Workers from China Railway Wuhan Electrification Bureau Group are pressing ahead with the construction of the communication, signaling and power supply systems for the 318-kilometer Harbin-Yichun high-speed railway.

A worker carries out surveying work at the construction site of Suihua South Station of the Harbin-Yichun high-speed railway in Suihua, northeast China's Heilongjiang Province, March 13, 2026. (Xinhua/Zhang Tao)

A drone photo taken on March 13, 2026 shows the construction site of Suihua South Station of the Harbin-Yichun high-speed railway in Suihua, northeast China's Heilongjiang Province. (Xinhua/Zhang Tao)

A worker installs signal equipment at the construction site of Suihua South Station of the Harbin-Yichun high-speed railway in Suihua, northeast China's Heilongjiang Province, March 13, 2026. (Xinhua/Zhang Tao)

A worker carries out surveying work at the construction site of Suihua South Station of the Harbin-Yichun high-speed railway in Suihua, northeast China's Heilongjiang Province, March 13, 2026. (Xinhua/Zhang Tao)

Workers install catenary systems at the construction site of Suihua South Station of the Harbin-Yichun high-speed railway in Suihua, northeast China's Heilongjiang Province, March 13, 2026. (Xinhua/Zhang Tao)

Workers install catenary systems at the construction site of Suihua South Station of the Harbin-Yichun high-speed railway in Suihua, northeast China's Heilongjiang Province, March 13, 2026. (Xinhua/Zhang Tao)