句中launched in July和now dominated by...均为过去分词短语作定语。

过去分词做后置定语前面可以有逗号，相当于被动语态的非限制性定语从句,对先行词作补充说明。如：

The business, founded by Dawn and Nigel, suffered financial setbacks.唐和奈杰尔创办的企业在资金上遇到了一些问题。《柯林斯高阶英汉双解学习词典》

Fontbonne is a liberal arts college, located in a residential suburb of St. Louis.芳邦大学是一所文科大学，位于圣路易斯市郊的居民区。《柯林斯高阶英汉双解学习词典》