ENVEX is globally well known for its capability, having been approved by many, as well as already proven its attainment of popularity with its successful previous events, with its contribution to the world by numerous actors concerned, such as companies in its industry, governmental parties, academia, and so on. It is also nation’s biggest exhibition of its kind, with approximately 250 companies participating, and with cutting-edge technologies encompassing water treatment, air-pollution prevention, waste treatment, and a variety of other energy technologies, etc.