In an official statement, the company explains that the propellant type is the most efficient, cheapest, and safest choice for commercial reusable rockets. Still, they explained that due to kerosene-liquid oxygen’s inherent regulation and stability issues,

In China, private companies are attempting to build alternative launch vehicles alongside the Long March rockets developed by the national space agency CNSA. A test of one of them ended in disaster. Deep Blue Aerospace reported the test's "partial success.

By Dean Murray via SWNS A Chinese company failed to nail the landing of its test reusable rocket this week. Deep Blue Aerospace successfully flew its Nebula-1 first-stage rocket booster on a high-altitude vertical flight.