Diameter: 3.8m     Length of fairing: 4m     Engine: 20t LOX/kerosene     Carrier Capacity: 1000kg@500km Sun-Synchronous Orbit     Rocket sub-stage recovery and reuse technology, multi-engine parallel technology

Diameter: 5.0M     Length of fairing: 8m     Engine: 50t LOX/kerosene    20 tons (not recycled) /14 tons (one sub-recycled) @ low Earth orbit     Technical Highlights: Rocket Sub-stage Recovery and Reuse Technology