south highway. According to Baidu map query. Guangzhou Nansha Huangge etc Business Hall takes effect immediately, and is located at No.182 Huangge Section of Shinan Highway, Huangge Town, Nansha District, Guangzhou. Etc credit card is a functional credit card, which is issued by banks for a single purpose and field. It is also called electronic toll collection system and is often used in high-speed toll stations. Agricultural Bank, Industrial and Commercial Bank of China, China Construction Bank, Guangfa Bank, Bank of China and other banks have all issued this card, with similar functions, but different preferential strength.