Simmons teams up with Posco, Kiswire on mattress materials

Simmons has partnered with Posco and Kiswire to jointly develop and supply specialized steel wire used in mattress springs, strengthening its domestic supply chain for key materials. The mattress maker detailed the trilateral collaboration during a media tour held Wednesday through Friday at the Simmons Factorium, its manufacturing facility in Icheon, Gyeonggi Province. Under the partnership, Simmons and Posco will jointly research spring wire designed specifically for mattresses. Kiswire will t