Morning 25th, March, 2015, SIXEI Co., Ltd officially signed the contract to provide and install a wastewater treatment system for Royal Class Hotel – Nha Trang city. The hotel is of 4-star class with 110 rooms. It also contains a modern pool, spa & massage system. The investor is Thien Truong An Co., Ltd. The wastewater treatment system is expected to finish and put into service on July, 2015.
