The "Chang'e-1" lunar exploration satellite was successfully launched on October 24, marking a historic moment in Chinese space exploration and turning a dream that had lasted for thousands of years into reality. This mission not only represented a major breakthrough for China but also showcased the country's growing technological capabilities on the global stage.
Compared to the "Shenzhou VI" mission, Chang'e-1 posed entirely new and complex technical challenges. Great Wall Lubricants once again played a crucial role by ensuring reliable lubrication throughout the mission. The company demonstrated its commitment to independent research and innovation, setting a clear goal for the Chinese lubricant industry: to support the nation's aerospace strategy through scientific advancement, foundational research, and the creation of an innovative national framework.
Aerospace lubricants differ significantly from their civilian counterparts. They must perform reliably under extreme conditions such as high temperature fluctuations, intense radiation, strong oxidation, and vacuum environments. Only a handful of countries, including the United States and China, have the capability to produce such specialized lubricants. With the development of these advanced technologies, Great Wall Lubricants has reached international leading standards, reinforcing China’s position at the forefront of aerospace lubrication technology.
Experts from Great Wall Lubricants were both excited and nervous during the Chang'e-1 mission. For nearly 50 years, the company has supported China’s space program, accompanying the nation’s first launch vehicle, artificial satellite, and spaceships like Shenzhou-5 and Shenzhou-6. As Zhao Jiang, a senior lubricant technology expert, noted, Chang'e-1 presented far greater challenges than Shenzhou-6, with new environmental conditions that had never been encountered before. The satellite had to operate in lunar orbit for an entire year, a test of endurance for all onboard systems.
In space missions, maintaining airtight seals is critical. In 2003, Great Wall Lubricants developed high and low-temperature greases that provided effective lubrication between solid and liquid components. These products were used in spacecraft co-rotation reducers, offering excellent sealing and adhesion properties.
During rocket launches, the fuel contains strong oxidants like liquid hydrogen and liquid oxygen, which require special lubricants to withstand corrosion. These technologies are available in only a few countries worldwide, and with the development of its aerospace lubricant series, China has taken a leading position in this field.
"We will never let lubricants become a limiting factor in China's space industry," Zhao Jiang emphasized. The current space lubrication development plan includes a forward-looking vision of at least 10 years, reflecting the guiding principles of sustainable scientific development.
Today, Great Wall Lubricants has developed a comprehensive range of lubrication products tailored for China's aerospace needs, including fluorine-based greases, instrument oils, precision bearing oils, and harmonic reducer greases—technologies that are world-leading in performance and quality.
As one of the top lubricant brands globally, Great Wall Lubricants has played a key role in breaking the long-term dominance of foreign companies in the high-end automotive lubricants market. Its success has not only boosted the domestic lubricant industry but also provided consumers with more suitable and cost-effective options.
The application of aerospace lubrication technology in civilian sectors has become a powerful tool for Great Wall Lubricants to capture the high-end market. Space-grade precision bearing lubricants have been used in gyroscopes on large ships, while synthetic oil technologies developed for aerospace are now widely applied in weapons, metallurgy, electrical appliances, and instruments.
With the increasing demand for high-temperature, high-speed, and long-life synthetic greases in textile machinery, Great Wall Lubricants has leveraged its aerospace expertise to develop high-temperature chain oils, breaking foreign monopolies in the industry.
"As a leading national brand, we have a responsibility to drive the development of China's lubricant industry and provide better products to both companies and individual consumers," Zhao Jiang said. "As a large state-owned enterprise, we also bear the responsibility of national and political significance."
Aerospace technology has become a critical arena for global competition. As one of the most complex and challenging mega-projects, it demands significant advancements in basic scientific research and serves as a driver for the sustained growth of the national economy. The U.S. Apollo Moon Landing Program not only trained a generation of scientists but also spurred the development of high-tech industries in the 1960s and 1970s. Today, space plays a vital role in national defense, intelligence, weather forecasting, precision weapons, and communication systems.
Great Wall Lubricants has established two R&D centers and four national-level laboratories. Over the past two years, it has obtained numerous domestic and international certifications and approvals, along with over 100 product specifications. It operates Asia’s largest pipeline transfer system and the world’s most advanced production lines, including high-speed barrel and canned integrated production facilities.
Looking ahead, with a focus on independent innovation, the development of aerospace lubrication technology is expected to make even greater contributions to China’s space program, the advancement of civilian lubrication technology, and the overall progress of the nation’s science and technology.
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