KOSHUR Co., Ltd.

Eumseong-based grooved piping systems manufacturer founded in 2005, producing grooved couplings and fittings in ductile iron, carbon and stainless steel to UL, FM, KS and NFPA13 standards. Korea's only domestic maker with an overseas plant, also manufacturing patented roll-grooving machines for fire protection, HVAC and industrial piping.