The Sojin musical instrument factory of Yeoju, South Korea, had been purchased by Daewoo in 1977.

Pianos were produced to a higher standard, using components such as Renner actions and Delignit wrestplanks.

[2] Also in 1991, Dongbei Piano Factory in Yingkou City, China, formed an agreement with Daewoo to help produce upright pianos (its sole product), using high-quality local wood in Liaoning province, northeastern China.

[3] Following the collapse of Daewoo, the company was spun off in February 2002 and relisted on the Korean stockmarket in March 2002.

In March 2012 the company was renamed S&T Motiv Co., Ltd.[4][5] In DX Korea 2018, the company announced development of a 9mm revolver based on requirements for Korean law enforcement agencies, and an AR-10-type rifle for a potential Korean military contract.