Every content should be whitelisted by the local operators. If you wish to send messages to China, please contact our support team to decide what kind of message samples work the best for you.
Binary and Flash SMS are not allowed in China.
Arabic characters are not supported by Chinese networks. Because Chinese characters are not supported by the regular character set, messages with Chinese characters can contain a maximum of 65 (single message) and 62 (multiple messages/concatenated) characters.
You cannot send two messages with the same content to the same number in one day. A maximum of 100 messages with different content is allowed to be sent to the same number in one day.
All networks in China filter adult content, gambling, education, migration, financial services & loans, beauty case, cosmetic surgery, healthcare, red timber and alcohol-related content. Some networks will filter words like Falung Gong, SB, Tiananmen Square. All networks will block messages with a URL.