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Sono-Tek Corp designs and manufactures ultrasonic coating systems that apply precise, thin film coatings to a multitude of products for the microelectronics/electronics, alternative energy, medical, and industrial markets, including specialized glass applications in construction and automotive. It sells products to emerging research and development and other markets. Its ultrasonic nozzle systems use high-frequency, ultrasonic vibrations that atomize liquids into minute drops that can be applied to surfaces at low velocity providing thin layers of protective materials over a surface such as glass or metals.
ESGL Holdings Ltd Formerly Environmental Solutions Group Holdings Ltd is a waste management, treatment and recycling company involved in the collection and recycling of hazardous and non-hazardous industrial waste from customers such as pharmaceutical, semiconductor, petrochemical and electroplating companies.