Kashi/Kashgar: Xinjiang Kashi Western Region Museum
Jiefang Beilu, Aitiga'er Grand Bazaar, Wuqu, Kashi
This museum, owned by a Mr. Wu, has a small number of veteran cars (there are 4 on the website), some small airplanes and other stuff of the Xinjiang area: http://unit.kashi.gov.cn/recreational/xiyubwg/lianxi.htm