TEHRAN -- The Second International Water and Sewage Installations Exhibition is to be held on Oct. 31-Nov. 4 at the Tehran Permanent Grounds for International Fairs, Ministry of Energy announced.

The ministry of Energy's Public Relations Officer, Ahmad Hosseini, told a press conference on Sunday that 187 local and foreign companies from nine countries, including Germany, Italy, France, Russia, Saudi Arabia and the U.S., will take part in the exhibition.

Hosseini said the purpose behind the international exhibition is to demonstrate Iran's capabilities in the water industry and to showcase opportunities for foreign investment in the country's water sector in a clean, competitive atmosphere.

During the five-day exhibition discussions on related subjects such as water management systems, water, the population and the environment, water and economy, water and investment opportunities, water and drought will also be held.