China GB 18030
GB 18030 is the Chinese ideographic character set and encoding standard mandated by the Chinese government. Azure China is a physically separated instance of cloud services located in China. It's independently operated and transacted by 21Vianet, one of the country’s largest Internet providers. Microsoft Azure operated by 21Vianet is certified as compliant with the mandatory part of this standard by the China Electronics Standardization Institute (CESI).
For more information about China GB 18030 compliance, see Trust Center documentation. All Azure China compliance certificates and reports can be downloaded directly from the 21Vianet compliance center. You must sign-in with a valid Azure China account that generally has the following format: xxx@xxx.partner.onmschina.cn