JIUQUAN, May 20 (Xinhua) — China successfully sent three low-orbit communication test satellites into space from the Jiuquan Satellite Launch Center in northwest China Friday.

The three communication satellites were launched by a Long March-2C carrier rocket at 6:30 p.m. (Beijing Time) and have entered the planned orbit.

These satellites will carry out tests and verifications of in-orbit communication technologies.

The launch marked the 421st flight mission of the Long March series carrier rockets.