Double-Happiness has been the No.1 brand name in the Table Tennis World since 1959. As a core unit of Double-Happiness Sports (DHS), SZ-DHS makes sporting & playground balls, such as ping-pong balls, basketballs, soccer balls, volleyballs, footballs, handballs and rubber balls. In addition, we also make weight-lifting equipment, training barbells, dumbbells, inflatable boats, accessories for ball games, tennis balls and badminton equipment.