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Beijing Top-Unistar Science & Technology Co., Ltd.

Beijing Top-Unistar Science & Technology Co., Ltd. is a service and solution provider in the advanced EUV–X-ray field, serving synchrotrons, research institutes, universities, and high-end manufacturing customers worldwide.

We supply high-end EUV/SXR/X-ray sources, optics, detectors, and complete systems, backed by full-cycle support from consultation and system integration to installation and maintenance. Our expertise spans materials science, aerospace, semiconductors, new energy, and life sciences.

We believe technology must solve real problems, and service must create lasting value. Customer-centric, professionally driven, and innovation-powered, we collaborate openly with clients and partners to turn every engagement into long-term growth.

Our commitment: Value grows over time.



Core Competitiveness

We stay clear-headed amid change and create lasting value over time. Guided by customer needs, powered by professional expertise, and driven by continuous innovation, we transform every collaboration into cumulative, scalable growth.

 Deep Customer Insight

Go beyond surface issues to understand the underlying development needs of our customers.

 Continuous Innovation 

Never rest on past success; constantly refine our products, services, and models to adapt to evolving challenges.

 Collaborative Execution 

Translate ideas into concrete actions, stable delivery, and measurable results.

 Long-Term Partnership 

Build lasting relationships through professionalism, accountability, and sustained engagement, growing together with our clients and partners.


Value grows over time.

A truly sustainable business is not built on short-term speed, but on long-term perseverance, genuine connections, and continuous creation.

We view every collaboration, every innovation, and every step of growth through a long-term lens—so that our clients, partners, employees, and the company itself can thrive together along the journey.

Seeking Truth and Keeping Trust: Adhering to Boundaries and Commitments

 Continuous Innovation: Enhancing Service Capabilities through Innovation Abilities

 Achieve customer success: Assist customers in achieving their goals

Illustrative China office distribution map (not for geographic reference)

Illustrative office distribution only; not for geographic reference.

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Beijing Top-Unistar Science & Technology Co., Ltd. is a service and solution provider in the advanced EUV–X-ray field, serving synchrotrons, research institutes, universities, and high-end manufacturing customers worldwide.

Partners独家合作伙伴

optiX fab GmbH was founded as a Fraunhofer IOF spin-off on December 17th, 2012. Located in Jena, the City of Light, optiX fab designs, develops and fabricates EUV illumination and collector optics and coats EUV imaging optics. optiX fab is currently supplying chipmakers, EUV tool and source manufacturers as well as institutes, universities, synchrotron beamlines and EUV research consortia worldwide with customized multilayer and grazing incidence optics for EUV lithography applications at 13.5 nm and the entire soft X-ray and XUV spectral range from 1 to 100 nm (10 eV to 1 keV).

Microworks GmbH is an innovative manufacturer of standardized and custom products for X-ray nonde­structive testing (NDT) and X-ray quality control. Our main customers are researchers and educators, and we are looking to expand to industrial customers. We initially started 15 years ago as a producer of high-end watch parts using X-ray lithography, then rapidly expanded to X-ray-optical gratings and most recently TALINT, an X-ray interferometer.Our small, dedicated team of 7 meets customers’ specific needs by means of the most modern litho­graphic techniques, micro-electroplating, and a lot of creativity. We are located in close proximity to Campus North of the Karlsruhe Institute of Technology (KIT) in Southwest Germany.

XRnanotech is the culmination of more than 10 years of research and development at the world-renown Paul Scherrer Institut in Switzerland. The company was incorporated in 2020 with the goal to bring the newest groundbreaking innovations in nano-optics to market

greateyes GmbH, based in Germany, manufactures high-performance scientific cameras for imaging and spectroscopy, covering the X-ray, EUV, VIS, and NIR spectral ranges with high dynamic range and excellent sensitivity. Built on a flexible platform concept, the cameras serve diverse customer needs. Beyond cameras, greateyes is a leading international provider of electroluminescence and photoluminescence measurement systems for solar cell and module manufacturing optimization. Together with Humboldt University of Berlin, greateyes received the Berlin-Brandenburg Innovation Prize for the world's first commercially available LED-based photoluminescence inspection system. Founded in 2008 as a spin-off from Humboldt University, greateyes has grown into a globally active company, serving research and industrial customers across all continents except Antarctica.

Founded in 2013, our breakthrough technology grew from research as part of the original scientific collaboration for high-energy physics launched in the 1990s at CERN, and we remain an integral part of the Medipix team developing the imaging technologies of the future. Innovation is the engine of our growth, and we work tirelessly to push back the boundaries of what is possible with new imaging solutions. ADVACAM’s patented detectors rank among the world’s most advanced imaging technologies. Our next-generation detectors are used in a broad range of industries for diverse applications, including by NASA to measure radiation conditions on the International Space Station, or by the European Space Agency (ESA) for communication satellites.

MSI (Mass Spectrometry Instruments Ltd.), based in the UK, is a highly specialized company dedicated to the design of high-performance magnetic-sector double-focusing mass spectrometers for both organic and inorganic analysis markets. The company builds upon the legacy of Kratos Analytical, a pioneer that introduced commercial mass spectrometers in 1957. Since then, demand for high-precision, high-resolution instruments has grown exponentially. At MSI, we are making significant strides in advancing this technology to the next level through continued investment in new developments and applications.

HP Spectroscopy, founded in 2012, is a leading developer and global supplier of scientific instrumentation. Product lines include spectroscopy tools, detector solutions, and beamline instrumentation. HP Spectroscopy deliver cutting-edge products to customers in academia and industry worldwide. We take pride in the customization of all our products to deliver the best solution for each application.

Rigaku Innovative Technologies Europe s.r.o. (RITE), established in 2008, is Rigaku Corporation's European center for X-ray optics design, development, and manufacturing, equipped with multiple specialized X-ray laboratories. With a predecessor history spanning over 50 years in the industry, RITE's R&D team has mastered advanced and unique optical replication technologies, delivering high-precision, high-performance EUV/X-ray reflective optics, high-resolution indirect X-ray detectors, and customized solutions to research and industrial customers worldwide. The company offers rapid custom development with exceptional quality and globally leading process capabilities, serving applications including lithography and high-resolution microscopy.

XOS is a world-renowned company specializing in dedicated X-ray analytical instruments. The company provides elemental analysis solutions to enhance public safety and customer efficiency in the petroleum, consumer goods, and environmental assessment industries. Its product portfolio includes X-ray fluorescence (XRF) analyzers for various applications, as well as high-end X-ray components such as high-brightness microfocus X-ray sources, multi-capillary X-ray lenses, and doubly curved crystal (DCC) focusing optics.

Based in Brno, Czech Republic, CactuX was founded by a team of experienced researchers with long-standing expertise in X-ray micro- and nano-computed tomography (CT). Our focus is on developing, producing, and selling innovative accessories for industrial micro and nano CT systems. With a strong emphasis on research and development, we are dedicated to pushing the boundaries of what is possible in our industry.

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We live and breathe EUV and X-ray technologies. Got a question, an idea, or just want to geek out with us? Don't hesitate—reach out. We'd love to hear from you.

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