Is Railway Media Company a state-owned enterprise?

According to (Tianyancha) query, Kunming Railway Media Co., Ltd. is a small and micro enterprise, established in 2004, located in Kunming, Yunnan Province, and is a business-oriented enterprise. Design, produce, represent and publish all kinds of domestic advertisements; Art decoration design; Photographic camera service; Three-dimensional production; Development and application of computer software and hardware, system integration and integrated wiring; Undertaking conferences, public relations and commodity exhibitions; Cultural and artistic exchanges (except performances), etc.