Technical Features

01

Multiple start-up, deep thrust vectoring, and reusable engine technologies

02

High-Performance, Variable-Thrust Two-Stage Engine Technology

03

Integrated Design Technology for Full-Flow Afterburning Cycle Engines

04

High-Pressure, Low-Pressure Drop, Lightweight Thrust Chamber: Efficient, Stable Combustion and Reliable Cooling Technologies

05

High-speed, high-power, high-performance, and long-life turbopump technology

06

Fast-Response, High-Reliability Electric Control Valve Technology

07

High-flow, Low-Flow-Resistance, and High-Pressure/Low-Temperature Valve Technology

08

High-Pressure, High-Flow Pressure Reducing Valve Technology

09

Integrated Design Technology for Post-Heating Swing and Multi-Machine Parallel Operation of Engine Pumps

10

Engine Whole-Machine Dynamic Strength Simulation and Optimization Technology

Milestone

2019

● The 10-ton-class Lingyun engine LY-10 completed a full-engine hot test, achieving breakthroughs in several key technologies, including multiple start-ups, variable thrust control, and simplified operation and maintenance procedures.

2021

● The 70-ton-class Longyun engine LY-70 underwent a full-scale hot-fire test, incorporating advanced technological solutions such as the post-pump gimbal system with high pressure. This achievement marks a significant breakthrough in reusable rocket main propulsion engine technology.

2022

● Lingyun Engine Hot Test Breaks Through 10,000 Seconds
● Lingyun Engine Completes Power System Hot Testing for a Certain Customer

2023

● Lingyun Engine successfully completed the hovering test in collaboration with a certain customer.
● Longyun Engine Hot Testing Exceeds 7,000 Seconds
● Longyun Engine successfully completes the power system hot test run with a certain customer.

2024

● Three Longyun engines successfully completed a 10-km-level flight and recovery test for a rocket belonging to a certain customer.
● The Longyun vacuum-version engine LY-70V has successfully completed its full-engine hot-fire test. Featuring advanced technological solutions such as a large-area expansion nozzle, it marks a significant breakthrough in the technology for reusable second-stage rocket engines.

2025

● Longyun Engine Achieves Over 20,000 Seconds of Cumulative Hot Testing
● Longyun Engine Completes Sea-Entry and Recovery Test for Client's Rocket
● The Longyun series has cumulatively delivered 19 engines
● 7 Longyun engines supporting customers complete the first flight of a certain type of rocket into orbit in China
Logo

Jiuzhou Yunjian (Beijing) Space Technology Co., Ltd. is a national high-tech enterprise integrating liquid rocket engine design and development, assembly and testing, as well as comprehensive end-to-end flight support services.

Contact Information

Phone:

086 10-67948968/9

zhaopin@jzyjspace.com

2nd Floor, Building 32, No. 109 Jinghai 3rd Road, Beijing Economic-Technological Development Area

Quick Navigation

QR Code

Follow our official WeChat account

Business License

www.300.cn | SEO