This exhibition was held from 3 to 6 October 2018 in the field of water industry. Shayan technology-based Company, as a manufacturer of mechanized tunneling machines for water and waste water tunnels, participated in this exhibition and was able to attract the attention of many experts in this field. The senior advisor of the Ministry of Energy and the CEO of Tehran Water and waste water Company were also among the esteemed visitors of Shayan’s booth in this exhibition.