90m Self-elevating unit  was successfully delivered on 16th April, 2019. This SEU is of generation sixth, independently developed by Desail company, so far, nine unit have been delivered to clients in Saudi, UAE,  Katar,  etc. After developing and optimization generation after generation, this type SEU is possessing advantage such as adapty in shallow water area, high coefficiency of character to price, and so on, is now the most popular type of platform for stimulation and oil field maintenance