Green Tech Ventures Public Company Limited engages in the electricity generation and property development activities in Thailand, Vietnam, and the Lao People's Democratic Republic. The company produces and distributes cannabis products for medical purposes, as well as invests in hemp. It is also involved in the cryptocurrency mining business. The company was formerly known as United Power of Asia Public Company Limited and changed its name to Green Tech Ventures Public Company Limited in February 2023. Green Tech Ventures Public Company Limited was founded in 2000 and is headquartered in Bangkok, Thailand.