Anchoring the forefront of aerospace technology, a demand-oriented "full flow liquid oxygen methane power+stainless steel launch vehicle body+first stage recyclable" carrier the launch vehicle. The take-off thrust is designed to be 1080t, and in the first stage recovery state, 500km@60°. The orbital capacity is 28t, and the disposable capacity of the first stage is 35t. The LEO orbital capacity is 42t, with a launch capacity of nearly 4%.