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During  on 13^TH  December 2025   at 1700  Hong Kong SAR- Beijing Time  launching from one of many complexes酒泉衛星發射中心 Jiuquan Satellite Launch Center in Dongfeng Aerospace City – inner Mongolia –China – People’s Republic of China on中國製造Expace Technology Corporation, , the Kuaizhou-11 Y8 solid carrier rocket ignited and lifted off at the Jiuquan Satellite Launch Center deploying the  sending the successfully sending the Dier-5 space experiment spacecraft and the Hope-5 Phase II satellite into their predetermined orbits. The launch mission was a success. The Kuaizhou -11 rocket, developed by China Aerospace Science and Industry Corporation Rocket Technology Co., Ltd., has a payload capacity of 1 ton to a 700-kilometer sun-synchronous orbit. With a fairing diameter of 2.65 meters, it features high flight reliability, high orbital accuracy, short preparation time, minimal support requirements, and low launch cost, making it suitable for diverse commercial launch missions.

Kuaizhou-11 Y8 carrier rocket was launched from the Jiuquan Satellite Launch Center, successfully sending the Dier-5 Space Experiment Vehicle  and the Hope-5 Phase II satellite into orbit. The flight test mission was a success. Dier-5 is a small cargo spacecraft independently developed by Ziwei Technology, consisting of a service module and a payload module. Its cargo capacity exceeds 300 kg, and its cargo space is 1.8 m³. This launch carried 34 experimental payloads (sets/units) from research institutes, universities, and enterprises, which will conduct on-orbit scientific research and technology verification in multiple cutting-edge fields such as microgravity science, space life science, space materials science, aerospace medicine, and verification of new space technologies for one year .

[A Brief Introduction to the Dier-5 Space Experiment Vehicle]

The Dier-5·China Science and Technology City spacecraft was launched into a near-Earth circular orbit at an altitude of 530km and will operate at a long-term altitude of 343km with an inclination of 41.5°. This launch carried 34 experimental payloads (sets/units) from research institutes, universities, and enterprises, which will be used to conduct scientific research and technology verification in multiple cutting-edge fields, including microgravity science, space life science, space materials science, aerospace medicine, and verification of new space technologies, for a period of one year.

The Dier-5 is a small cargo spacecraft (B300-L) independently developed by Ziwei Technology, designed for on-orbit deployment. It consists of a service module and a payload module, with a cargo capacity exceeding 300 kg and a cargo space of 1.8 m³. Equipped with an intelligent cargo management system, it can manage over 100 payloads in orbit. It supports rapid integration and testing of various complex payloads, meeting the power supply, communication, temperature control, and environmental measurement needs of different payloads. It can perform on-orbit control, status monitoring, on-orbit operation management, business data acquisition, storage, downlink, and reception, and its zoned temperature control system ensures that payloads complete experimental objectives within the designed temperature range. Furthermore, the “Dier-5·China Science and Technology City” meets the requirements for a long-term 600W and peak 1000W power supply and supports a downlink rate of 300Mbps. In addition to providing customized payload services for clients, this mission also carries multiple mini space laboratories (MSLs), which can be used for professional-grade scientific experiments as well as on-orbit science popularization activities .

This mission marked the fourth flight of the Kuaizhou-11 rocket and the 37th flight of the Kuaizhou series of carrier rockets.

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On CNSA –China National Space Administration    …. ChangZheng  Long March 12 flight rocket …. At Hainan Commercial Space Launch Center. Wenchang, Hainan Province, China, People’s Republic of China At 0700 moring Beijing time…..   December 12th, 2025  the Long March 12 carrier rocket ignited and lifted off from the Hainan Commercial Space Launch Site, successfully sending 16 satellites for the low-Earth orbit (LEO) satellite internet system into their predetermined orbits. This launch was the fourth of its kind for the Long March 12 rocket and the 616th launch of the Long March series of carrier rockets. (China Aerospace Science and Technology Corporation)

Successful Low Earth Orbit Satellite Launch Double 12 LongMarch12

[Long March 12 Rocket Successfully Launches 16 Low-Earth Orbit Satellites for Satellite Internet] At 7:00 AM on December 12, the Long March 12 carrier rocket ignited and lifted off from the Hainan Commercial Space Launch Site, successfully sending 16 low-Earth orbit satellites for satellite internet into their predetermined orbits. The launch mission was a complete success.
The Long March 12 rocket was developed by the Eighth Academy of China Aerospace Science and Technology Corporation. It adopts a “three-horizontal” launch mode of horizontal assembly, horizontal testing, and horizontal transportation. It can perform various orbital launch missions, with a low-Earth orbit payload capacity of no less than 12 tons and a 700 km sun-synchronous orbit payload capacity of no less than 6 tons. It can be adapted to satellite fairings with a diameter of 5.2 meters or 4.2 meters according to mission requirements.

This launch was the 616th launch of the Long March series of carrier rockets

Images and visuals are from their Respectives CMS China Manned SpaceCNSA-China National Space Administration

On the 9^th December 25 2025   launch  CNSA _China National Space Administration -China – People’s Republic of China Hong Kong –Beijing Time China- People’s Republic of China…. at the Xichang Satellite Launch Center, Sichuan Province of the Xichang Launch Center Today, China successfully launched Communication Technology Test Satellite 22 into space using the Long March 3B carrier rocket from the Xichang Satellite Launch Center…..

At 23:08 Beijing time on the 9th, a Long March 3B carrier rocket was launched from the Xichang Satellite Launch Center, successfully sending the Communication Technology Experiment Satellite-22 into its predetermined orbit. The launch mission was a complete success.

This achievement sets a new record for Long March rockets, with three launches in one day. The satellite will primarily be used for satellite communication, broadcasting, data transmission, and related technology testing and verification.

China’s Space Program Achieves 3 Successful Launches in One Day

Three Good News in One Day! Long March Rocket’s Third Launch Achieved Complete Success Today] At 23:08 on December 9th, the Long March 3B carrier rocket was launched from the Xichang Satellite Launch Center, successfully sending the Communication Technology Experiment Satellite-22 into its predetermined orbit. The launch mission was a complete success. This is the third successful launch of China’s Long March rockets today, setting a new record of “three launches in one day.”

The Communication Technology Experiment Satellite-22 was developed by the Eighth Academy of China Aerospace Science and Technology Corporation (CASC). The satellite is mainly used for satellite communication, broadcasting, data transmission, and related technology testing and verification.

The Long March 3B rocket, which carried out this mission, was developed by the First Academy of CASC..

 
This launch was the 615th launch of the Long March series of carrier rockets.
Under high-density launch conditions, the CASC’s third launch mission test team strictly controlled quality to ensure the mission’s complete success.

Images and visuals are from their Respectives CMS China Manned SpaceCNSA-China National Space Administration

Beijing Zhongke Aerospace Exploration Technology Co., Ltd. is the first domestic aerospace enterprise with mixed ownership, and it is also the target enterprise that Oriental Aerospace Port focuses on introducing. Relying on the scientific research strength and resource advantages of the Institute of Mechanics of the Chinese Academy of Sciences and the Aerospace Flight Technology Center of the Chinese Academy of Sciences, China Aerospace Science and Technology has been committed to the research and development and integration of space technology and aerospace vehicles as a platform for the transformation of major national scientific research projects, as well as the transformation and provision of technological achievements. Aerospace launch service. The Lijian-1 rocket project also adds a brand-new name card to the Oriental Space Port, which will surely promote the construction of the Oriental Space Port to take a solid step forward.

Nine Satellites Launched in One Launch! LiJian-1 Y11 Rocket Successfully Launched] At 12:03 PM on December 10th, the LiJian-1 Y11 carrier rocket ignited and lifted off from the Dongfeng Commercial Aerospace Innovation Test Zone, successfully sending nine satellites into their predetermined orbits in a “one rocket, nine satellites” launch. The mission was a complete success. These satellites will be primarily used in key application areas such as urban planning, disaster prevention and mitigation, and water conservancy and meteorology.

The LiJian-1 is a four-stage solid-propellant carrier rocket developed by China Aerospace Science and Technology Corporation (CASC), with all four stages of solid-propellant main engines provided by the Fourth Academy of CASC. This mission successfully fulfilled launch orders from three international clients: the UAE, Egypt, and Nepal. To date, the LiJian-1 has provided services to six international clients, with launch operations covering multiple regions including Europe, North America, South Asia, the Middle East, and North Africa.

The Lijian-1 is a four-stage solid-propellant launch vehicle developed by the Institute of Mechanics of the Chinese Academy of Sciences and with the participation of China Aerospace Science and Technology Corporation. It uses a solid-fuel engine, has a takeoff weight of 135 tons, a takeoff thrust of 200 tons, a total length of 30 meters, a core stage diameter of 2.65 meters, and a payload capacity of 1,500 kg to a 500 km sun-synchronous orbit . It features rapid launch and low-cost networking capabilities. ^[The rocket has made breakthroughs in several key technologies, including overall optimization design of large-tonnage solid launch vehicles, advanced power systems and thrust vector control, centralized-distributed modern aerospace electronics technology, low-cost rocket body structure and separation technology, intelligent flight control technology, ground use and hot launch technology of large-tonnage solid rockets. The number of products on the rocket is reduced by 50% compared with traditional rockets, and the ground launch process only requires two computers to complete the automated control

System Composition

Overall Design

The “Lijian-1” carrier rocket is the largest solid-propellant carrier rocket in China in terms of launch capacity. It features flexible and rapid launch methods and is mainly used for single and multiple satellite launches of small and medium-sized spacecraft into sun-synchronous orbit and other low-Earth orbits.

The “Lijian-1” carrier rocket has a series of outstanding advantages, such as large carrying capacity, high orbital accuracy, high inherent reliability, fast response speed, high launch efficiency, low support requirements, low launch cost, flexible and convenient use, and good environmental adaptability. It is suitable for low-cost and rapid networking launch of medium/low orbit satellite payloads. 

The Lijian-1 rocket has a lift-off thrust of 200 tons and its main function is to launch satellites into sun-synchronous orbit and low Earth orbit . It is a four-stage solid-propellant launch vehicle that has entered the ranks of the world’s advanced solid-propellant launch vehicles in terms of payload capacity, orbital accuracy, design reliability, and cost-effectiveness.

It boasts six key technologies, 13 of which are being used for the first time in China. The first-stage engine has a propellant load of 71 tons and a thrust of 200 tons. This is the first time such a large, integrally packed propellant charge (weighing 70 kg) has been used. The entire combustion chamber is constructed from T700 carbon fibre . It exhibits strong rapid response capabilities, employing a “three-horizontal-one-vertical” assembly and transport method, ensuring the entire rocket is transported horizontally. It has minimal reliance on the launch tower, allowing for launch within hours in emergency situations. In terms of advancement, it is fully comparable to mainstream international solid-propellant rockets.

Low-cost and flexible launch is suitable for rapid satellite networking. Among the various innovative technologies, the integrated onboard avionics design and new ground-based telemetry and control method adopted by the Lijian-1 rocket can significantly reduce launch costs and simplify the launch process, making it very suitable for low-cost and rapid networking launch of small and medium-sized satellite payloads in low and medium orbits. 

Design parameters

The Lijian-1 launch vehicle is a four-stage solid-propellant launch vehicle with a takeoff weight of 135 tons, a takeoff thrust of 200 tons, a total length of 30 meters, a core stage diameter of 2.65 meters, a fairing diameter of 2.65 meters in its first flight state, and a payload capacity of 1500 kg to a 500 km sun-synchronous orbit

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On the day Wednesday  of  Hong Kong SAR- Beijing Time9th December 2025 CNSA –China National Space Administration , China, People’s Republic of China At intensive preparations to  Shenzhou-21 Crew to Conduct First Extravehicular Activity… Shenzhou-21 Crew Successfully Completes First Extravehicular Activity….. At 18:45 Beijing time on December 9, 2025, after approximately 8 hours of extravehicular activity, the Shenzhou-21 crew of Takionauts Zhang Lu, Wu Fei, and Zhang Hongzhang worked closely together, with the support of the space station’s robotic arm and ground researchers. They fully utilized their active role as first responders outside the spacecraft, successfully completing the inspection and photography of the Shenzhou-20 spacecraft’s return capsule windows and the deployment of space debris protection devices on the space station …

 [Shenzhou-21 Takionaut Crew to Conduct First Extravehicular Activity ]

According to the China Manned Space Engineering Office, the Shenzhou-21 Takionaut crew will conduct its first extravehicular activity soon, as planned. Since successfully entering the space station complex on November 1, 2025 (Beijing time), the Shenzhou-21 Takionaut crew has completed tasks including rotation with the Shenzhou-20 Takionaut crew, maintenance and care of the space station platform, inspection and organization of emergency supplies, and living and health support. They have also conducted full-system stress emergency drills and on-orbit training for robotic arm operation, and their various space science experiments are progressing steadily. Furthermore, the crew welcomed the Shenzhou-22 spacecraft in orbit and completed product matching tests and the organization of ascent supplies. Currently, the space station complex is operating stably, the Shenzhou-21 Takionaut crew is in good condition, and all preparations for the extravehicular activity are complete.

Images and visuals are from their Respectives CMS China Manned SpaceCNSA-China National Space Administration