HIKARI possesses an original intelligent thread tension control technology and holds the corresponding technical patent. At present, this technology has been widely applied in products such as lockstitch, overlock, and interlock machine, and has received widespread recognition from consumers. The main products of HIKARI include: the new generation of intelligent lockstitch sewing machine, the new generation of intelligent overlock machine, the new generation of intelligent interlock sewing machine, special machines and automated equipment.