RS Holding Construction started its activity in Langrod in 2020 with the cooperation of a number of local contractors, relying on the knowledge and experience of the engineers and specialists of the complex. As a developer, Saihani Construction Holding strives to improve the construction industry chain by providing services such as research and development, study and conceptualization, design, construction, operation, real estate and marketing. Also, with the participation of experienced consultants and cooperation with natural and legal persons of Gilan province, it has been able to be among the active and reliable companies in this field. The engineers of this company intend to achieve construction ratings at different levels by using up-to-date technologies and reaching global standards.