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ACE Convergence Acquisition Corp. does not have significant operations. The company focuses on effecting a merger, amalgamation, share exchange, asset acquisition, share purchase, reorganization, or other similar business combination with one or more businesses. It intends to focus on businesses in the IT infrastructure software and semiconductor sectors. ACE Convergence Acquisition Corp. was incorporated in 2020 and is based in Wilmington, Delaware.

Ebang International Holdings Inc., through its subsidiaries, engages in the research, design, and development of application-specific integrated circuit chips and manufacture of Bitcoin mining machines under the Ebit brand in Singapore, Hong Kong, Australia, the Bahamas, and internationally. It also provides mining machine hosting services; and engages in the development of proprietary cryptocurrency exchange platform. In addition, the company offers fiber-optic communication access devices, including multiprotocol label switching fiber-optic access network devices, multi-service access platform integrated business access devices, and wavelength-division multiplexing fiber-optic devices; and enterprise convergent terminal products, which consists gigabit passive optical network, Fiber to the Room products, passive optical network converged gateways, enterprise cloud gateway devices, industrial Internet of Things access devices, and business enterprise smart wireless access devices. It serves the blockchain and telecommunications industries. The company also operates a cross-border payment and foreign exchange platform. It sells its blockchain products directly, as well as through its website; and telecommunication products under the EBANG brand name primarily through supplier contracts. The company was incorporated in 2018 and is headquartered in Hangzhou, China.

EMCORE Corporation, together with its subsidiaries, designs and manufactures fiber optic gyro, ring laser gyro, and micro electromechanical system-based inertial sensors and systems in the United States and internationally. It offers navigation system and inertial sensing products, such as gyroscopes and multi-axis sensors, inertial measurement units, fiber optic gyroscopes, quartz micro electromechanical systems, inertial navigation systems, tactical navigation, and naval and amphibious navigation, as well as radar positioning and pointing systems, and battlefield/artillery survey systems. The company sells its products through direct sales force, application engineers, third-party sales representatives, and distributors. EMCORE Corporation was founded in 1984 and is headquartered in Alhambra, California.

NVE Corporation develops and sells devices that use spintronics, a nanotechnology that relies on electron spin to acquire, store, and transmit information in the United States and internationally. The company manufactures spintronic products, including sensors and couplers for use in acquiring and transmitting data. Its products comprise standard sensors to detect the presence of a magnetic or metallic material to determine position, rotation, or speed for the factory automation market; and custom and medical sensors for medical devices to replace electromechanical magnetic switches. The company also offers spintronic couplers for power conversion and industrial Internet of Things (IIoT) market; and DC-to-DC convertors for use in power conversion systems and industrial networks for the IIoT. In addition, it undertakes contracts for research and development, and licensing of spintronic magnetoresistive random access memory technology. NVE Corporation was founded in 1989 and is headquartered in Eden Prairie, Minnesota.

POET Technologies, Inc. engages in the designing, developing, manufacturing and sale of opto-electronic solutions for the sensing, data communications and telecommunications markets. It developed POET Optical Interposer platform, which allows the integration of electronic and photonic devices into a single multi-chip module. The company was founded on November 14, 1985 and is headquartered in Toronto, Canada.