Hummers were originally built as military off-road vehicles by a company called AM General.

悍马品牌最初用于军用越野车，由美国汽车综合公司(AM General)生产制造。

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In June, Sichuan Tengzhong announced that it had a tentative agreement with GM to buy the brand, which features large off-road vehicles that initially were developed for military use.

NPR: GM Sells Hummer Brand To Chinese Company