How many public resource trading centers are there in Nanning?

Two. According to the information from official website of Nanning Administration for Industry and Commerce, there are two public resource trading centers registered in Nanning Administration for Industry and Commerce, namely Nanning Public Resource Trading Center and Nanning Jiangnan District Public Resource Trading Comprehensive Service Center. Nanning, referred to as "Tancheng", also known as Greentown and Tancheng, is a prefecture-level city, provincial capital and I-type big city under the jurisdiction of Guangxi Zhuang Autonomous Region.