Dongwha Finland Oy is a privately owned, producer of Imprex® -products. Factory is located in Kotka, southern coast of Finlan ... d where we have approx. 60 employees. We are part of global company Dongwha Industries http://www.dongwha.com/en Imprex® Surface Films are used for overlaying wood-based panels like plywood. They are self-bonding prepregs in which saturating base kraft paper is impregnated with phenol formaldehyde resin. Imprex® Core Stock is a resin-treated core paper for high-pressure laminates. read more