Greentech Technology International Ltd. is an investment holding company, which engages in the provision of corporate management services. It operates through the Mining Operations and Trading of Gold Products segments. The Mining Operations segment refers to the exploration, development, and mining of tin and copper bearing ores. The Trading of Gold Products segment sells gold products. The company was founded by Chau Hiu Leung on January 22, 2008 and is headquartered in Hong Kong.