ITT
ITT Inc., founded in 1920 and headquartered in Stamford, Connecticut, USA, is a manufacturer of highly engineered critical components and customized technology solutions, organized into three segments: Fluid Technologies, Motion Technologies, and Connect & Control Technologies. Its portfolio includes brands such as ITT Cannon, VEAM, Enidine, Goulds Pumps, and KONI, covering high-reliability aerospace connectors and cable assemblies, shock and energy absorption components, industrial pumps, and valves for demanding environments and mission-critical equipment in aerospace, defense, energy, rail transit, and industrial automation. ITT products are sold in around 125 countries worldwide and are recognized for high reliability and harsh-environment performance, making the company a core component supplier to the defense and industrial sectors. ALL BRANDS
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ITT
ITT Inc., founded in 1920 and headquartered in Stamford, Connecticut, USA, is a manufacturer of highly engineered critical components and customized technology solutions, organized into three segments: Fluid Technologies, Motion Technologies, and Connect & Control Technologies. Its portfolio includes brands such as ITT Cannon, VEAM, Enidine, Goulds Pumps, and KONI, covering high-reliability aerospace connectors and cable assemblies, shock and energy absorption components, industrial pumps, and valves for demanding environments and mission-critical equipment in aerospace, defense, energy, rail transit, and industrial automation. ITT products are sold in around 125 countries worldwide and are recognized for high reliability and harsh-environment performance, making the company a core component supplier to the defense and industrial sectors. 
Radiall
Radiall was founded in France in 1952 by the Gattaz brothers, Yvon and Lucien, and is headquartered in Aubervilliers, in the Paris suburbs. The company specializes in four interconnect technologies — RF, fiber optics, power, and multi-pin packaging — with 12 product lines and more than 27,000 components, spanning RF coaxial connectors, microwave components, antennas, fiber-optic interconnects, multi-pin aerospace connectors, and cable assemblies, with RF products operating at frequencies up to 65 GHz. It holds aerospace-grade certifications including AS9100 Rev D and NADCAP Electronics, and serves the aerospace, defense, space, rail transit, communications, test & measurement, and medical sectors, having taken part in more than 300 satellite programs since 1974. 
X-Ray 爱克斯瑞
Aikesirui Vacuum Technology (Suzhou) Co., Ltd. was established in January 2018 in Suzhou High-Tech District, with an R&D team that has been engaged in X-ray tube development since 2015. The company independently develops and mass-produces both X-ray vacuum tubes and X-ray high-voltage generators, and has mastered a broad range of tube and source technologies including hot-cathode, cold-cathode, small-focus, microfocus, and backscatter types, with equipment output voltages from 15 to 320 kV. Its main products are X-ray tubes, integrated X-ray sources, and microfocus sources, with an annual capacity of 15,000 units and support for custom development. These products are used in electronics and semiconductors, new-energy batteries, industrial non-destructive testing, security screening, food inspection, and ore sorting, providing core X-ray sources for domestically produced X-ray inspection equipment. 
Amphenol
Founded in the United States in 1932 and listed on the NYSE, Amphenol is a top global supplier of high-end interconnect systems, whose acquisitions include the renowned RF brand Times Microwave Systems. Its products cover RF coaxial connectors, phase-stable cable assemblies, high-speed optoelectronic connectors, fiber interconnects, sensors, and antennas, delivering high reliability with low intermodulation, resistance to temperature extremes, and immunity to vibration and shock. Widely deployed in military defense, aerospace, radar and test, 5G communications, data centers, new energy vehicles, and industrial control, Amphenol provides full-line integrated precision connections across RF, optoelectronics, and power for harsh operating conditions, standing as an international benchmark in precision RF interconnect. 
安费诺RF
Amphenol RF, the RF business unit of the Amphenol group headquartered in Danbury, Connecticut (group HQ in Wallingford), is a world-leading manufacturer of RF coaxial interconnect. It supplies RF connectors, adapters, cable assemblies, and antennas across the full range—including BNC, SMA, N, 2.92mm, and SMP—supporting high-frequency, low-PIM transmission and military-grade requirements; the BNC connector invented by its engineers Neill and Concelman in 1951 remains an industry standard. Its products serve 5G base stations, RF test instruments, aerospace, defense, automotive electronics, broadband broadcast, and medical equipment, backed by a global R&D and manufacturing network combining standardized volume production with custom development. 
XMA
Headquartered in New Hampshire, USA, XMA was founded in 2003 and acquired by Amphenol in 2023. It is a specialized manufacturer of high-end RF and microwave passive components, carrying forward the classic Omni-Spectra product line. Its range includes thin-film attenuators, terminations, directional couplers, power dividers, DC blocks, and adapters covering DC to 65 GHz, along with space-grade and cryogenic quantum-specific RF components. Leveraging proprietary thin-film processes for excellent VSWR and power stability, its products target aerospace, defense, test and measurement, 5G communications, and quantum computing, making it a core brand in precision RF passive interconnect. 
TE Connectivity
TE Connectivity (TE), tracing its roots to AMP, is a global leader in interconnect and sensing, focused on high-performance precision connectors, RF coaxial assemblies, high-speed data and fiber-optic connectors, wire harnesses, and sensors. Its products span RF/microwave, high-speed data, power, and signal interconnect, built for high reliability, vibration resistance, and extreme environments, and are widely used in aerospace, defense, 5G communications, AI data centers, automotive, industrial automation, and medical electronics. With worldwide operations, TE delivers complete physical-layer interconnect solutions for RF, optical, and sensing systems as a top international supplier in precision connection. 
Molex LLC
Founded in 1938 and owned by Koch Industries, Molex LLC is a top-tier global supplier of precision interconnect solutions. Its portfolio covers RF coaxial connectors, millimeter-wave phase-stable assemblies, high-speed electrical connectors, fiber-optic interconnects, and wire harnesses—with RF reaching the D-band and high-speed data up to 224 Gbps, combining low loss with high VSWR stability—and in 2025 it signed to acquire Smiths Interconnect, strengthening its military-grade reliability portfolio. Its solutions serve aviation and defense, 5G/6G communications, AI data centers, automotive electronics, industrial, and medical equipment, supplying full-line physical-layer precision interconnect for RF and high-speed optical systems. 
EZ‑FORM CABLE
EZ-FORM CABLE, founded in 1984, is a precision RF interconnect manufacturer based in Connecticut, USA, now part of Amphenol's Trexon group and certified to AS9100D aerospace quality standards. It specializes in semi-rigid, hand-formable, and phase-matched coaxial cable assemblies, coaxial delay lines, and RF connectors covering millimeter-wave frequencies, and offers custom transmission lines with special impedances, non-magnetic builds, and cryogenic quantum-grade performance in compliance with MIL-DTL-17. Its products serve aerospace, defense radar, quantum computing, test and measurement, and medical RF, focused on high-end microwave and millimeter-wave interconnect solutions. 
Souriau
SOURIAU was founded in 1917 in Versailles, France, and is now part of Eaton, serving as a leading supplier of high-reliability interconnect for harsh environments. Its main products include MIL-DTL-38999 aerospace circular connectors, hermetic and filtered connectors, hybrid RF/optical contacts, and fiber-optic interconnect assemblies, engineered for high shock and vibration resistance, wide temperature tolerance, and sealed shielding in line with US military and aerospace standards. Widely used in aerospace, defense satellites, nuclear power, rail transit, and specialized industry, they support integrated interconnection of power, signal, RF, and optical paths as a high-end, high-reliability interconnect supplier. 
HARWIN
HARWIN, founded in 1952 in Portsmouth, UK, specializes in high-reliability miniature precision interconnects and holds AS9100D aerospace certification. Its core lines include Gecko and Datamate micro board-level connectors, Kona high-current power connectors, spring contacts, EMI shielding, and custom cable assemblies. Built to withstand severe shock and vibration, wide temperature ranges, and low outgassing requirements, they suit lightweight SWaP designs and are widely used in aerospace, defense satellites, drones, industrial, and medical electronics, focusing on reliable board-level signal and power connections—including 50-ohm coaxial contacts (Datamate Coax)—as a high-end precision interconnect supplier. 
长江
CJTconn (Changjiang Connector) was founded in Shenzhen in 1998 and specializes in domestic alternatives for precision interconnects, holding ISO9001, IATF16949, UL, and other quality and safety certifications. Its core offerings are wire-to-board, board-to-board, and high-speed signal connectors with custom wire harnesses, complemented by micro board-level connectors and antennas for IoT wireless terminals. Cost-effective and pin-to-pin compatible with imported models, its products are widely used in automotive electronics, industrial control, communication servers, and consumer electronics. 
JYEBAO
JYEBAO was founded in Taiwan, China in 1987, headquartered in New Taipei City with three plants in Taoyuan. As a vertically integrated RF component manufacturer with in-house CNC precision machining, fully automated plating, and cable production, it offers RF coaxial connectors, adapters, cable assemblies, and low-PIM passive components across SMA, N, 2.4mm, and 1.0mm (110 GHz) series, with in-house VNA test capability up to 120 GHz and MIL-STD-348-compatible interfaces, plus over 2,000 standard connectors and 800 adapters stocked. With low VSWR and phase stability, its products are widely used in RF test instruments, wireless communications, radar, and telemetry, with standout strength in high-frequency adapters and test cables—a go-to Taiwan-made RF connector brand for the test industry. 
西安骊创
Xi'an Licreat was founded in Xi'an in 2007 and holds weapons-equipment quality management system certification, specializing in GJB military-standard high-reliability connectors and custom wire harnesses across GJB599, J30J, Y27, and VPX hybrid series. Its products integrate low-frequency power, high-speed differential (6.25 Gbps), and DC-40 GHz RF coaxial contacts, with excellent EMI shielding, shock and vibration resistance, and wide-temperature environmental durability. The company also provides component distribution services suited to compact, lightweight equipment designs, widely serving aerospace, defense ships, radar communications, and specialized industrial equipment as a domestic supplier of military-grade precision interconnect. 
KAIDA
KAIDA was founded in 1995 and is headquartered in Nanjing. A national high-tech enterprise certified to ISO9001 and GJB9001C, it develops high-reliability circular aerospace connectors drawing on Russian military connector design concepts and benchmarked against both US and Chinese military standards. Its main series include MIL-DTL-38999, MIL-C-26482, Y27, and ZH23, with custom mixed power/signal contacts and integrated low-frequency coaxial contacts; the products withstand wide temperatures and severe shock and vibration with sealing protection. Serving aerospace, defense communications, rail transit, and oilfield equipment, it offers domestic-alternative high-reliability interconnect, though it has no independent high-frequency millimeter-wave phase-stable RF cable product line. 
陕西华达
Shaanxi Huada traces back to State-Owned Factory No. 853, established in 1966. As a state-owned defense listed company (301517), it is a core Chinese developer of military RF coaxial connectors with GJB9001A and other military quality systems and space-grade quality control capability. It produces high-reliability RF coaxial connectors, RF cable assemblies (including phase-stable types), and low-frequency hybrid and micro-rectangular connectors that meet national military and space standards, featuring low VSWR, wide temperature tolerance, and shock/vibration resistance. Supporting key national programs such as BeiDou, the space station, and phased-array radar, it provides domestic precision RF interconnect solutions for aerospace, defense ships, and satellite communications.