Earlier quoted context omitted.
The company is called Jingling which seems to be a Chinese city, so I highly doubt they named it after some obscure English expression.
While I agree it's probably not intentional the word is pretty common in British English.
I agree that is still used, but arguably in very specialized contexts, and has many better and less idiomatic alternatives that make it a poor choice in many publication, helping it become rarer.
I expect a lot of concept names not directly bound to the concept itself to slowly disappear, the same way calling dinnerware "china" won't stand for a lot more generations I think.