sentences:  In 1991, Rexon purchased two other tape drive manufacturers, WangTek and WangDAT to add to the Tecmar product line.Then in 1995, while Rexon was having financial difficulties, Tecmar was sold to Legacy Storage Systems and Scientific Solutions continued as an independent company focused on the original Tecmar product line of data acquisition equipment.Three years later, in 1998, Tecmar was sold to a new holding company, TTI, which positioned Tecmar as a comprehensive magnetic tape data storage brand.