Gas
For gas services and the related, please visit the official website of Shenzhen Gas Group:
https://www.szgas.com.cn/index.html
Water
For water-supply services and the related, please visit the website of Shenzhen Water Group:
https://www.82137777.com/wt/index
Electricity
For electricity services and the related, please visit the official website of China Southern Power Grid:
http://www.csg.cn/