问题描述：
请问这句话中offer+ing是什么用法,是动名词的用法吗?根据哪条语法规则?
We are a professional bamboo products manufacture with 14 years experiences in China,offering over 1,500 various kinds of bamboo product.
We are a professional bamboo products manufacture with 14 years experiences in China,offering over 1,500 various kinds of bamboo product.
问题解答：
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