Why are almost all Ningbo subways in the CRRC era?

The reason why almost all the trains in Ningbo Metro come from CRRC era is mainly because CRRC has excellent performance and reputation in the manufacture of metro vehicles. Ningbo Metro adopts a single model, that is, 1, lines 2, 3 and 4 all adopt CRRC era. In addition, Ningbo Metro also considered the cost performance when purchasing vehicles, and chose CRRC era trains with stable performance, convenient maintenance and reasonable price. By February, 2023, Ningbo Rail Transit has opened seven lines, including 1, 2, 3 and 4, 1, S2 and S3, with 209 stations and 508 kilometers of lines. Among them, 1, lines 2, 3 and 4 are subway lines, and 1, S2 and S3 are urban (suburban) lines. Ningbo (Suburb) Railway 202 1 started construction, with a total length of 177.6km (including 97.7km underground) and 0 stations 10, all of which are underground stations. Among them, Cixi city (suburb) railway project (including Longshan branch line) has a total length of 69.8km (including underground line length of 43.6km), with 6 stations (including 5 underground stations).