Contact customer service. Shantou Education Cloud app is a mobile version of the basic education platform jointly developed by Shantou Education Bureau and Guangdong Jinbaihui Information Technology Co., Ltd., and you need to contact customer service after locking it. Shantou, also known as Tuocheng and Tuodao, is a prefecture-level city and sub-central city in Guangdong Province and a China Special Economic Zone approved by the State Council.