North Korea says that they used a solid fuel engine as opposed to previous times when they used liquid fuel.

朝鲜表示，他们使用的是固体燃料发动机，而不是以前使用液体燃料的发动机。

China will take six manned space flights in 2022 to complete the building of its space station and see the maiden flight of Long March-6A, the country's first carrier rocket powered by a solid and liquid engine.

2022年，中国将进行六次载人航天飞行，以完成其空间站的建设，并见长征六号甲新型固液体混合运载火箭的首飞任务。