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EH vs GHM

EHang Holdings Limited ADS and Graham Corporation

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EHang Holdings Limited ADS

EHang Holdings Limited operates as an urban air mobility (UAM) technology platform company in the People's Republic of China, East Asia, West Asia, North America, South America, West Africa, and Europe. It designs, develops, manufactures, sells, and operates UAVs, as well as supporting systems and infrastructure for various industries and applications, including passenger transportation, logistics, smart city management, and aerial media solutions. The company's product portfolio includes EH216 series, the VT series, the Falcon B, and the GD series. It also offers airborne operating systems, including autopilot and flight control, communication, battery management system, and safety management systems; and command-and-control system. In addition, the company has built a digital UAM operational platform architecture and visualized flight operation module for managing the EH216-S flight schedule, ground crew, vertiports and landing pads, and other factors for the entire front-line UAM operational process. Further, it offers vertiports for eVTOL aircraft operations and mobility efficiency; and charging piles for eVTOL aircraft. Additionally, the company provides air mobility solutions; smart city management, which centralizes and coordinates a range of UAV applications; and aerial media solutions for drone light shows. EHang Holdings Limited was incorporated in 2014 and is headquartered in Guangzhou, the People's Republic of China.

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Graham Corporation

Graham Corporation designs and manufactures fluid, power, heat transfer, and vacuum technologies for chemical and petrochemical processing, defense, space, petroleum refining, cryogenic, and energy industries. The company offers power plant systems, such as ejectors and surface condensers; torpedo ejection, propulsion, and power systems, including turbines, alternators, regulators, pumps, and blowers; and thermal management systems comprising pumps, blowers, and drive electronics for the defense sector. It also provides heat transfer and vacuum systems, including ejectors, process and surface condensers, liquid ring pumps, heat exchangers, and nozzles; power generation systems, such as turbines, generators, compressors, and pumps; and thermal management systems comprising pumps, blowers, and electronics for the energy sector. In addition, the company offers rocket propulsion systems consisting of turbopumps, fuel, cryogenic, and nuclear propellant pumps; cooling systems, which include pumps, compressors, fans, and blowers; and life support systems that comprise fans, pumps, and blowers for the space industry. Further, Graham Corporation sells and services spare parts for its equipment. It operates in the United States, Asia, Canada, the Middle East, South America, and internationally. Graham Corporation was founded in 1936 and is headquartered in Batavia, New York.

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