It was the 260th mission of the Long March rocket family, state-run Xinhua news agency reported.
The satellites were launched on a Long March-2C carrier rocket from Xichang Satellite launch center in the southwest Sichuan province, it said.
They have entered its preset orbit and the launch was proclaimed a success, the report said, without disclosing the number of satellites launched.
As the third batch of the Yaogan-30 project, the satellites will conduct electromagnetic environmental probes and other experiments, it added.
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