POOLWORLD is a distributed central heating project for a total of 358 stations of the Lanzhou section of the Railway Group Corporation, covering the train service section, housing construction section, public works section, freight center, stations and other stations of the Tianshui-Dunhuang line, and the special line from Lanzhou to Yinchuan. Central heating, with a total heating area of 488,085 square meters.
The project began to be put into use at multiple points simultaneously in September 2018. So far, it has been running stably for 3 heating seasons, and the indoor temperature can reach above 20°C, and the operation effect is good.