Hanchem. 

Hanchem Co,. Ltd. research, develop, and produce compound materials and preservatives in South Korea. The company offers BOZONE AIR, BOZONE, BOZONE clean, BOZONE sorb, power dry - UX, wood keeper-A, wood keeper-natural, and stone keepers; and flat pack eco-fant boxes, premier drop spine boxes, premier square tube boxes, time care library ring binder boxes, acid-free, spider tissues, ok tissues, silk tissues, neutral hanji, polyester album pages, and preservation pocket preservatives. It also provides preservative rust inhibitors, air purifiers/sterilizers, paulownia wood cabinets, transparent plastic boxes, plastic boxes, sompo, deoxidizing agents, crystal paperweights, and neutral repair tapes. In addition, the company offers OLED materials. Its products are used in used in semiconductors, pharmaceuticals, fuel cells, catalysts, and petrochemicals. The company was founded in 1998 and is based in Seoul, South Korea.