Welcome to the infamous
overcapacity of Tiongland, which is still a communist centrally-planned economy.
That's why the Tiongs export some of their construction to Thailand, Malaysia and Sinkieland. Sinkieland's upcoming Cross Island MRT Line is built entire by the Tiongs, the simplified Chinese words and cute panda mascot tells you all you need to know.
https://en.ccccltd.cn/