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1981—1984
- Categories:Development path
- Time of issue:2021-11-18 15:03
1981—1984
- Categories:Development path
- Time of issue:2021-11-18 15:03
In 1981, it successfully trial-produced 2 subway passenger cars for Tianjin Metro; in 1983, it began mass production of YZ22 railway passenger cars, and later retrofitted to produce YZ25 air-conditioned trains.
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