SEE -July 12: China revealed its first commercial medium-sized rocket that might be launched by 2020. Chinese media quoted “Zhang Changwu” ,CEO of private space launch company "LandSpace" saying "there is a shortage of liquid propellant rockets in markets. The new commercial rocket (ZQ-2) is powered by liquid oxygen and methane engines, and it is considered as the highest operational payload rocket in china".
Most of the medium-sized launched rockets serving other countries are facing problems such as pollution, high cost, long preparation, and recyclability. Space Companies seek to face the technical and cost challenges.