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All seamless rails welded along China-Laos railway in Vietnam

VIENTIANE, Sept. 17 (Xinhua) — China Railway No. 2 Engineering Group (CREC-2) has welded the last two 500-meter seamless rails for the China-Laos railway in the southern suburb of the Lao capital Vientiane.

The seamless rail, also known as continuous welded rail (CWR) which eliminates rail joints, can improve the duration of steel rails, reduce the maintenance costs of locomotives and tracks, improve the stabil