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Yunhong Green CTI Ltd manufactures and marketers of foil balloons and produces laminated and printed films for commercial uses. The company also distributes balloon-inspired and other gift items, and continues development of compostable material solutions, and markets its products throughout the United States and in several other countries.
ESS Tech Inc is a long-duration energy storage company specializing in iron flow battery technology. The company design and produce long-duration batteries predominantly using earth-abundant materials.