Sehan Industrial Company, established in 1977, is a fine chemical... Paper - Internal R-SIZE-L II (Sizing agent for acid paper) STREN - P(Internal Wet Strenth Agent) DS-P(Dry strength agent) Paper - Surface REPELON - NS (surface sizing agent for paper) STREN - DF (Water-resistance improvement agent of starch) Coating Color INSOL - A (Insolubiliser For Binder) RT - N (Rewetable adhesives for stamp paper) RE-WR (Waterproof agent) MIFLOC 4000 (Dissociation agent for Broke) Resolve - 217